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1

Tight Oklahoma gas sands remain an attractive play  

SciTech Connect (OSTI)

The Cherokee tight gas sands of Oklahoma remain an attractive play because of improvements in drilling and completion practices and actions by the Oklahoma Corporation Commission (OCC) that allow separate allowables for new wells. The expired federal tax credits for tight gas wells have not been the only reason for increased activity. Since decontrol of most regulated gas pricing and since 1986, the number of wells drilled and gas production per well have been increasing in the cherokee area while overall drilling in Oklahoma has decreased. These conclusions are based on wells as categorized by permit date and not by the spud, completion, or first production date. A few wells outside but adjacent to the Cherokee area may have been included, although, their impact on the conclusions is considered nominal. The paper discusses the tight gas credit, proration units, the concept of separate allowables, costs, completion efficiency, and the economic outlook for this area.

Cartwright, G.L. [Marathon Oil Co., Oklahoma City, OK (United States)

1995-04-24T23:59:59.000Z

2

High Hopes, Tight Quarters  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Hopes, Hopes, Tight Quarters Unique Recycler, world's largest array of permanent magnets, taking shape in crowded Main Injector tunnel. by Mike Perricone, Office of Public Affairs The magnets are numbered in the hundreds; their weight is measured in tons. The available space in the tunnel is usually about four and a half feet, but it can be as little as two or three inches, and the forklifts doing the moving have been custom- designed for these tight quarters. The obstacles include water systems, cable trays, workers performing other installations, and the precisely aligned components of the signature Main Injector accelerator. The consequences of a possible slip-up: Don't even ask. Installation crews can put eight to 10 magnets in place in a day, if the magnets are located close together. Installing a magnet

3

Crude oil prices: Are our oil markets too tight?  

SciTech Connect (OSTI)

The answer to the question posed in the title is that tightness in the market will surely prevail through 1997. And as discussed herein, with worldwide demand expected to continue to grow, there will be a strong call on extra oil supply. Meeting those demands, however, will not be straightforward--as many observers wrongly believe--considering the industry`s practice of maintaining crude stocks at ``Just in time`` inventory levels. Further, impact will be felt from the growing rig shortage, particularly for deepwater units, and down-stream capacity limits. While these factors indicate 1997 should be another good year for the service industry, it is difficult to get any kind of consensus view from the oil price market. With most observers` information dominated by the rarely optimistic futures price of crude, as reflected by the NYMEX, the important fact is that oil prices have remained stable for three years and increased steadily through 1996.

Simmons, M.R. [Simmons and Co. International, Houston, TX (United States)

1997-02-01T23:59:59.000Z

4

FOREIGN INVESTMENT: Barriers Remain  

Science Journals Connector (OSTI)

FOREIGN INVESTMENT: Barriers Remain ... The two-volume work, titled "Obstacles and Incentives to Private Foreign Investment 1967-68," shows that barriers to private foreign investment around the world haven't really changed much overall in recent years— although there have been some dramatic changes in the investment climate of a few individual nations. ... Comparison with an earlier NICB study covering 1962 to 1964 shows that economic problems are now considered a barrier to foreign investment in a greater number of countries than in the earlier period. ...

1969-09-22T23:59:59.000Z

5

OPEC Production Likely To Remain Low  

Gasoline and Diesel Fuel Update (EIA)

4 4 Notes: With a background of some weakening demand from weakening economies (being pushed lower by high crude oil prices), OPEC has shown not only a a reluctance to increase production any time soon, but has actually decreased production. OPEC has attempted to reduce production by 3.5 million barrels per day so far this year. The last of these cuts is not to occur until September, which will affect consuming countries the most over the upcoming winter. Tightness in both European (Brent price) and Asian (Dubai price) markets are reflected in the recent strength seen in the marker crude oil for these regions. But with the effect of the 2nd OPEC production cuts just taking effect and the effect of the 3rd production cut yet to come, U.S. crude oil stocks are

6

Developing a tight gas sand advisor for completion and stimulation in tight gas reservoirs worldwide  

E-Print Network [OSTI]

DEVELOPING A TIGHT GAS SAND ADVISOR FOR COMPLETION AND STIMULATION IN TIGHT GAS RESERVOIRS WORLDWIDE A Thesis by KIRILL BOGATCHEV Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment... of the requirements for the degree of MASTER OF SCIENCE December 2007 Major Subject: Petroleum Engineering DEVELOPING A TIGHT GAS SAND ADVISOR FOR COMPLETION AND STIMULATION IN TIGHT GAS RESERVOIRS WORLDWIDE A Thesis by KIRILL...

Bogatchev, Kirill Y

2008-10-10T23:59:59.000Z

7

Recommendation 215: Recommendation on Remaining Legacy Materials...  

Office of Environmental Management (EM)

5: Recommendation on Remaining Legacy Materials on the Oak Ridge Reservation Recommendation 215: Recommendation on Remaining Legacy Materials on the Oak Ridge Reservation The board...

8

tight_nuts_thehub closed_boot  

E-Print Network [OSTI]

tight_nuts_the­hub closed_boot in_jack_boot in_pump_boot in_wheel1_boot in_wrench_boot inflated_nuts_the­hub closed_boot in_jack_boot in_pump_boot in_wheel1_boot in_wrench_boot inflated_wheel2 on_wheel2_the­hub tight_nuts_the­hub closed_boot in_jack_boot in_pump_boot in_wheel1_boot in_wrench_boot inflated_wheel2

Murphy, Robert F.

9

Developing a tight gas sand advisor for completion and stimulation in tight gas reservoirs worldwide  

E-Print Network [OSTI]

and experience about completion and stimulation technologies used in TGS reservoirs. We developed the principal design and two modules of a computer program called Tight Gas Sand Advisor (TGS Advisor), which can be used to assist engineers in making decisions...

Bogatchev, Kirill Y.

2009-05-15T23:59:59.000Z

10

Neutron Reflectivity  

Science Journals Connector (OSTI)

Neutron Reflectivity ... This article is part of the Neutron Reflectivity special issue. ... The articles in this special issue on neutron reflectivity cover a broad range of the applications of this technique and the related X-ray and neutron scattering experiments of SAXS, SANS, GISAXS, and GISANS. ...

Jeffrey Penfold

2009-03-31T23:59:59.000Z

11

Naturally fractured tight gas reservoir detection optimization  

SciTech Connect (OSTI)

The goal of the work this quarter has been to partition and high-grade the Greater Green River basin for exploration efforts in the Upper Cretaceous tight gas play and to initiate resource assessment of the basin. The work plan for the quarter of July 1-September 30, 1998 comprised three tasks: (1) Refining the exploration process for deep, naturally fractured gas reservoirs; (2) Partitioning of the basin based on structure and areas of overpressure; (3) Examination of the Kinney and Canyon Creek fields with respect to the Cretaceous tight gas play and initiation of the resource assessment of the Vermilion sub-basin partition (which contains these two fields); and (4) Initiation analysis of the Deep Green River Partition with respect to the Stratos well and assessment of the resource in the partition.

NONE

1998-11-30T23:59:59.000Z

12

Naturally fractured tight gas reservoir detection optimization  

SciTech Connect (OSTI)

During this quarter, work began on the regional structural and geologic analysis of the greater Green River basin (GGRB) in southwestern Wyoming, northwestern Colorado and northeastern Utah. The ultimate objective of the regional analysis is to apply the techniques developed and demonstrated during earlier phases of the project to sweet-spot delineation in a relatively new and underexplored play: tight gas from continuous-type Upper Cretaceous reservoirs of the GGRB. The primary goal of this work is to partition and high-grade the greater Green River basin for exploration efforts in the Cretaceous tight gas play. The work plan for the quarter of January 1, 1998--March 31, 1998 consisted of three tasks: (1) Acquire necessary data and develop base map of study area; (2) Process data for analysis; and (3) Initiate structural study. The first task and second tasks were completed during this reporting period. The third task was initiated and work continues.

NONE

1998-09-30T23:59:59.000Z

13

Hydraulic fracturing in tight, fissured media  

SciTech Connect (OSTI)

Large volumes of natural gas are found in tight, fissured reservoirs. Hydraulic fracturing can enhance recovery, but many complications, such as pressure-sensitive or accelerated leakoff, damage, and complex fracturing, arise during treatment of such reservoirs. This paper reports that special procedures generally should be considered during breakdown and fracturing of these reservoirs. In addition, the use of alternative stimulation strategies may be beneficial.

Warpinski, N.R. (Sandia National Lab., Albuquerque, NM (US))

1991-02-01T23:59:59.000Z

14

Packing tight Hamilton cycles in 3-uniform hypergraphs Alan Frieze  

E-Print Network [OSTI]

Packing tight Hamilton cycles in 3-uniform hypergraphs Alan Frieze Michael Krivelevich Po-Shen Loh Abstract Let H be a 3-uniform hypergraph with n vertices. A tight Hamilton cycle C H of H can be covered by edge-disjoint tight Hamilton cycles, for n divisible by 4. Consequently, we

Frieze, Alan

15

Packing tight Hamilton cycles in 3-uniform hypergraphs Alan Frieze  

E-Print Network [OSTI]

Packing tight Hamilton cycles in 3-uniform hypergraphs Alan Frieze Carnegie Mellon University alan ploh@cmu.edu Abstract Consider a 3-uniform hypergraph H with n vertices. A tight Hamilton cycle C H by edge- disjoint tight Hamilton cycles, for n divisible by 4. Consequently, random 3-uniform hypergraphs

Krivelevich, Michael

16

Are oil prices going to remain volatile?  

Science Journals Connector (OSTI)

For numerous planning problems in industrial but also in private management the expectation of future energy prices remains a crucial parameter. On the basis ... a comprehensive demand/supply model for the world

Dr. F. Wirl

1985-04-01T23:59:59.000Z

17

Ischemic preconditioning enhances integrity of coronary endothelial tight junctions  

SciTech Connect (OSTI)

Highlights: Black-Right-Pointing-Pointer Cardiac tight junctions are present between coronary endothelial cells. Black-Right-Pointing-Pointer Ischemic preconditioning preserves the structural and functional integrity of tight junctions. Black-Right-Pointing-Pointer Myocardial edema is prevented in hearts subjected to ischemic preconditioning. Black-Right-Pointing-Pointer Ischemic preconditioning enhances translocation of ZO-2 from cytosol to cytoskeleton. -- Abstract: Ischemic preconditioning (IPC) is one of the most effective procedures known to protect hearts against ischemia/reperfusion (IR) injury. Tight junction (TJ) barriers occur between coronary endothelial cells. TJs provide barrier function to maintain the homeostasis of the inner environment of tissues. However, the effect of IPC on the structure and function of cardiac TJs remains unknown. We tested the hypothesis that myocardial IR injury ruptures the structure of TJs and impairs endothelial permeability whereas IPC preserves the structural and functional integrity of TJs in the blood-heart barrier. Langendorff hearts from C57BL/6J mice were prepared and perfused with Krebs-Henseleit buffer. Cardiac function, creatine kinase release, and myocardial edema were measured. Cardiac TJ function was evaluated by measuring Evans blue-conjugated albumin (EBA) content in the extravascular compartment of hearts. Expression and translocation of zonula occludens (ZO)-2 in IR and IPC hearts were detected with Western blot. A subset of hearts was processed for the observation of ultra-structure of cardiac TJs with transmission electron microscopy. There were clear TJs between coronary endothelial cells of mouse hearts. IR caused the collapse of TJs whereas IPC sustained the structure of TJs. IR increased extravascular EBA content in the heart and myocardial edema but decreased the expression of ZO-2 in the cytoskeleton. IPC maintained the structure of TJs. Cardiac EBA content and edema were reduced in IPC hearts. IPC enhanced the translocation of ZO-2 from cytosol to cytoskeleton. In conclusion, TJs occur in normal mouse heart. IPC preserves the integrity of TJ structure and function that are vulnerable to IR injury.

Li, Zhao [Department of Pharmaceutical Sciences, College of Pharmacy, South Dakota State University, Brookings, SD 57007 (United States)] [Department of Pharmaceutical Sciences, College of Pharmacy, South Dakota State University, Brookings, SD 57007 (United States); Jin, Zhu-Qiu, E-mail: zhu-qiu.jin@sdstate.edu [Department of Pharmaceutical Sciences, College of Pharmacy, South Dakota State University, Brookings, SD 57007 (United States)] [Department of Pharmaceutical Sciences, College of Pharmacy, South Dakota State University, Brookings, SD 57007 (United States)

2012-08-31T23:59:59.000Z

18

Naturally fractured tight gas reservoir detection optimization  

SciTech Connect (OSTI)

The work plan for October 1, 1997 to September 30, 1998 consisted of investigation of a number of topical areas. These topical areas were reported in four quarterly status reports, which were submitted to DOE earlier. These topical areas are reviewed in this volume. The topical areas covered during the year were: (1) Development of preliminary tests of a production method for determining areas of natural fracturing. Advanced Resources has demonstrated that such a relationship exists in the southern Piceance basin tight gas play. Natural fracture clusters are genetically related to stress concentrations (also called stress perturbations) associated with local deformation such a faulting. The mechanical explanation of this phenomenon is that deformation generally initiates at regions where the local stress field is elevated beyond the regional. (2) Regional structural and geologic analysis of the Greater Green River Basin (GGRB). Application of techniques developed and demonstrated during earlier phases of the project for sweet-spot delineation were demonstrated in a relatively new and underexplored play: tight gas from continuous-typeUpper Cretaceous reservoirs of the Greater Green River Basin (GGRB). The effort included data acquisition/processing, base map generation, geophysical and remote sensing analysis and the integration of these data and analyses. (3) Examination of the Table Rock field area in the northern Washakie Basin of the Greater Green River Basin. This effort was performed in support of Union Pacific Resources- and DOE-planned horizontal drilling efforts. The effort comprised acquisition of necessary seismic data and depth-conversion, mapping of major fault geometry, and analysis of displacement vectors, and the development of the natural fracture prediction. (4) Greater Green River Basin Partitioning. Building on fundamental fracture characterization work and prior work performed under this contract, namely structural analysis using satellite and potential field data, the GGRB was divided into partitions that will be used to analyze the resource potential of the Frontier and Mesaverde Upper Cretaceous tight gas play. A total of 20 partitions were developed, which will be instrumental for examining the Upper Cretaceous play potential. (5) Partition Analysis. Resource assessment associated with individual partitions was initiated starting with the Vermilion Sub-basin and the Green River Deep (which include the Stratos well) partitions (see Chapter 5). (6) Technology Transfer. Tech transfer was achieved by documenting our research and presenting it at various conferences.

NONE

1998-11-30T23:59:59.000Z

19

Naturally fractured tight gas reservoir detection optimization  

SciTech Connect (OSTI)

Building upon the partitioning of the Greater Green River Basin (GGRB) that was conducted last quarter, the goal of the work this quarter has been to conclude evaluation of the Stratos well and the prototypical Green River Deep partition, and perform the fill resource evaluation of the Upper Cretaceous tight gas play, with the goal of defining target areas of enhanced natural fracturing. The work plan for the quarter of November 1-December 31, 1998 comprised four tasks: (1) Evaluation of the Green River Deep partition and the Stratos well and examination of potential opportunity for expanding the use of E and P technology to low permeability, naturally fractured gas reservoirs, (2) Gas field studies, and (3) Resource analysis of the balance of the partitions.

NONE

1999-06-01T23:59:59.000Z

20

Understanding Apomixis: Recent Advances and Remaining Conundrums  

Science Journals Connector (OSTI)

...comparative analyses of apomictic and sexual reproduction at the fundamental level in appropriate model systems remains essential for the...2108-2117. Yeung, E.C. (1989). Hieracium. In CRC Handbook of Flowering, Vol. 6, A. Halevy, ed (Boca Raton, FL...

Ross A. Bicknell; Anna M. Koltunow

2004-05-06T23:59:59.000Z

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Coal remains a hot commodity for Australia  

SciTech Connect (OSTI)

Based largely on analyses by the Australian Bureau of Agricultural and Resource Economics in late 2005 and early 2006, the article looks at the recent and near future export market for Australian coal. Demand in Asia is growing; European demand remains steady. Developments existing and new mines in Queensland are summarised in the article. 3 tabs.

Bram, L.

2006-02-15T23:59:59.000Z

22

Invisible surface defects in a tight-binding lattice  

E-Print Network [OSTI]

Surface Tamm states arise in one-dimensional lattices from some defects at the lattice edge and their energy generally falls in a gap of the crystal. The defects at the surface change rather generally the phase of propagative Bloch waves scattered off at the lattice edge, so that an observer, far from the surface, can detect the existence of edge defects from e.g. time-of-flight measurements as a delay or an advancement of a Bloch wave packet. Here we show that a special class of defects can sustain surface Tamm states which are invisible, in a sense that reflected waves acquire the same phase as in a fully homogeneous lattice with no surface state. Surface states have an energy embedded into the tight-binding lattice band and show a lower than exponential (algebraic) localization. Like most of bound states in the continuum of von Neumann - Wigner type, such states are fragile and decay into resonance surface states in presence of perturbations or lattice disorder. The impact of structural lattice imperfections and disorder on the invisibility of the defects is investigated by numerical simulations.

Stefano Longhi

2014-06-24T23:59:59.000Z

23

DOE Showcases Websites for Tight Gas Resource Development | Department of  

Broader source: Energy.gov (indexed) [DOE]

Showcases Websites for Tight Gas Resource Development Showcases Websites for Tight Gas Resource Development DOE Showcases Websites for Tight Gas Resource Development July 30, 2009 - 1:00pm Addthis Washington, D.C. -- Two U.S. Department of Energy (DOE) projects funded by the Office of Fossil Energy's National Energy Technology Laboratory provide quick and easy web-based access to sought after information on tight-gas sandstone plays. Operators can use the data on the websites to expand natural gas recovery in the San Juan Basin of New Mexico and the central Appalachian Basin of West Virginia and Pennsylvania. As production from conventional natural gas resources declines, natural gas from tight-gas sandstone formations is expected to contribute a growing percentage to the nation's energy supply. "Tight gas" is natural gas

24

Fraced horizontal well shows potential of deep tight gas  

SciTech Connect (OSTI)

Successful completion of a multiple fraced, deep horizontal well demonstrated new techniques for producing tight gas sands. In Northwest Germany, Mobil Erdgas-Erdoel GmbH drilled, cased, and fraced the world`s deepest horizontal well in the ultra-tight Rotliegendes ``Main`` sand at 15,687 ft (4,783 m) true vertical depth. The multiple frac concept provides a cost-efficient method to economically produce significant gas resources in the ultra-tight Rotliegendes ``Main`` sand. Besides the satisfactory initial gas production rate, the well established several world records, including deepest horizontal well with multiple fracs, and proved this new technique to develop ultra-tight sands.

Schueler, S. [Mobil Erdgas-Erdoel GmbH, Celle (Germany); Santos, R. [Mobil Erdgas-Erdoel GmbH, Hamburg (Germany)

1996-01-08T23:59:59.000Z

25

US production of natural gas from tight reservoirs  

SciTech Connect (OSTI)

For the purposes of this report, tight gas reservoirs are defined as those that meet the Federal Energy Regulatory Commission`s (FERC) definition of tight. They are generally characterized by an average reservoir rock permeability to gas of 0.1 millidarcy or less and, absent artificial stimulation of production, by production rates that do not exceed 5 barrels of oil per day and certain specified daily volumes of gas which increase with the depth of the reservoir. All of the statistics presented in this report pertain to wells that have been classified, from 1978 through 1991, as tight according to the FERC; i.e., they are ``legally tight`` reservoirs. Additional production from ``geologically tight`` reservoirs that have not been classified tight according to the FERC rules has been excluded. This category includes all producing wells drilled into legally designated tight gas reservoirs prior to 1978 and all producing wells drilled into physically tight gas reservoirs that have not been designated legally tight. Therefore, all gas production referenced herein is eligible for the Section 29 tax credit. Although the qualification period for the credit expired at the end of 1992, wells that were spudded (began to be drilled) between 1978 and May 1988, and from November 5, 1990, through year end 1992, are eligible for the tax credit for a subsequent period of 10 years. This report updates the EIA`s tight gas production information through 1991 and considers further the history and effect on tight gas production of the Federal Government`s regulatory and tax policy actions. It also provides some high points of the geologic background needed to understand the nature and location of low-permeability reservoirs.

Not Available

1993-10-18T23:59:59.000Z

26

Tight Hamilton Cycles in Random Uniform Hypergraphs Andrzej Dudek  

E-Print Network [OSTI]

Tight Hamilton Cycles in Random Uniform Hypergraphs Andrzej Dudek Alan Frieze June 28, 2011 Abstract In this paper we show that e/n is the sharp threshold for the existence of tight Hamilton cycles also determine thresholds for the existence of other types of Hamilton cycles. 1 Introduction

Frieze, Alan

27

Pressure-transient test design in tight gas formations  

SciTech Connect (OSTI)

This paper outlines a procedure for pre- and postfracture pressure-transient test design in low-permeability (tight) gas formations. The procedures proposed are based on many years' experience in evaluating low-permeability formations, and particularly on recent experience with Gas Research Inst. (GRI) programs in eastern Devonian gas shales and in western tight-gas formations.

Lee, W.J.

1987-10-01T23:59:59.000Z

28

Distillate Stocks Expected to Remain Low  

Gasoline and Diesel Fuel Update (EIA)

5 5 Notes: When EIA's demand forecast is combined with its outlook for production and net imports, distillate stocks are projected to remain low for the rest of the year. - Stocks are beginning at very low levels. The September 1 distillate fuel stock level (112 million barrels) is nearly 20% less than last year, and about 15% below the 10 year average for end of August levels. - But stocks on the East Coast, at 39.8 million barrels, are 39% behind year-ago levels, and about a similar percentage below end-of-August 10-year average levels. Over the last 10 years, the average stock build from the end of August through the end of November has been about 10 million barrels. We are forecasting about a 12 million barrel build, which does not reach the normal band. Forecast stocks peak at the end of November at 127 million

29

Tight sands gain as U.S. gas source  

SciTech Connect (OSTI)

This report, the last of a four part series assessing unconventional gas development in the US, examines the state of the tight gas sands industry following the 1992 expiration of the qualification period for the Sec. 29 Nonconventional Fuels Tax Credit. Because tight gas sands were the most mature of the unconventional gas sources and received only a modest tax credit, one would not expect much change when the tax credit qualification period ended, and post-1992 drilling and production data confirm this. What the overall statistics do not show, and thus the main substance of this article, is how rediscovered tight gas plays and the evolution in tight gas exploration and extraction technology have shifted the outlook for tight gas drilling and its economics from a low productivity, marginally economic resource to a low cost source of gas supply.

Kuuskraa, V.A.; Hoak, T.E.; Kuuskraa, J.A. [Advanced Resources International Inc., Arlington, VA (United States); Hansen, J. [Gas Research Inst., Chicago, IL (United States)

1996-03-18T23:59:59.000Z

30

File:EIA-tight-gas.pdf | Open Energy Information  

Open Energy Info (EERE)

tight-gas.pdf tight-gas.pdf Jump to: navigation, search File File history File usage Major Tight Gas Plays, Lower 48 States Size of this preview: 776 × 600 pixels. Full resolution ‎(1,650 × 1,275 pixels, file size: 2.04 MB, MIME type: application/pdf) Description Major Tight Gas Plays, Lower 48 States Sources U.S. Energy Information Administration Related Technologies Natural Gas Creation Date 2010-06-06 Extent National Countries United States UN Region Northern America File history Click on a date/time to view the file as it appeared at that time. Date/Time Thumbnail Dimensions User Comment current 18:44, 20 December 2010 Thumbnail for version as of 18:44, 20 December 2010 1,650 × 1,275 (2.04 MB) MapBot (Talk | contribs) Automated bot upload You cannot overwrite this file.

31

TIGHT CLOSURE IN GRADED RINGS Karen E. Smith \\Lambda  

E-Print Network [OSTI]

TIGHT CLOSURE IN GRADED RINGS Karen E. Smith \\Lambda Abstract. This paper facilitates is supported by the U.S. National Science Foundation. Typeset by A M S­T E X 1 #12; 2 KAREN E. SMITH \\Lambda

Smith, Karen E.

32

Frustrated total internal reflection acoustic field sensor  

DOE Patents [OSTI]

A frustrated total internal reflection acoustic field sensor which allows the acquisition of the acoustic field over an entire plane, all at once. The sensor finds use in acoustic holography and acoustic diffraction tomography. For example, the sensor may be produced by a transparent plate with transparent support members tall enough to support one or more flexible membranes at an appropriate height for frustrated total internal reflection to occur. An acoustic wave causes the membrane to deflect away from its quiescent position and thus changes the amount of light that tunnels through the gap formed by the support members and into the membrane, and so changes the amount of light reflected by the membrane. The sensor(s) is illuminated by a uniform tight field, and the reflection from the sensor yields acoustic wave amplitude and phase information which can be picked up electronically or otherwise.

Kallman, Jeffrey S. (Pleasanton, CA)

2000-01-01T23:59:59.000Z

33

Western tight gas sands advanced logging workshop proceedings  

SciTech Connect (OSTI)

An advanced logging research program is one major aspect of the Western Tight Sands Program. Purpose of this workshop is to help BETC define critical logging needs for tight gas sands and to allow free interchange of ideas on all aspects of the current logging research program. Sixteen papers and abstracts are included together with discussions. Separate abstracts have been prepared for the 12 papers. (DLC)

Jennings, J B; Carroll, Jr, H B [eds.

1982-04-01T23:59:59.000Z

34

Application of horizontal drilling to tight gas reservoirs  

SciTech Connect (OSTI)

Vertical fractures and lithologic heterogeneity are extremely important factors controlling gas flow rates and total gas recovery from tight (very low permeability) reservoirs. These reservoirs generally have in situ matrix permeabilities to gas of less than 0.1 md. Enhanced gas recovery methods have usually involved hydraulic fracturing; however, the induced vertical hydraulic fractures almost always parallel the natural fracture and may not be an efficient method to establish a good conduit to the wellbore. Horizontal drilling appears to be an optimum method to cut across many open vertical fractures. Horizontal holes will provide an efficient method to drain heterogeneous tight reservoirs even in unfractured rocks. Although many horizontal wells have now been completed in coalbed methane and oil reservoirs, very few have been drilled to exclusively evaluate tight gas reservoirs. The U.S. Department of Energy (DOE) has funded some horizontal and slanthole drilling in order to demonstrate the applicability of these techniques for gas development. Four DOE holes have been drilled in Devonian gas shales in the Appalachian basin, and one hole has been drilled in Upper Cretaceous tight sandstones in the Piceance basin of Colorado. The Colorado field experiment has provided valuable information on the abundance and openness of deeply buried vertical fractures in tight sandstones. These studies, plus higher gas prices, should help encourage industry to begin to further utilize horizontal drilling as a new exploitation method for tight gas reservoirs.

Spencer, C.W. (U.S. Geological Survey, Lakewood, CO (United States)); Lorenz, J.C. (Sandia National Labs., Albuquerque, NM (United States)); Brown, C.A. (Synder Oil Co., Denver, CO (United States))

1991-03-01T23:59:59.000Z

35

Analysis of stress sensitivity and its influence on oil production from tight reservoirs  

E-Print Network [OSTI]

indicate that low-permeability tight oil reservoirs arepermeability cores Effect of Stress Sensitivity on Oil Production During oil production from tight

Lei, Qun; Xiong, Wei; Yuan, Cui; Wu, Yu-Shu

2008-01-01T23:59:59.000Z

36

Tight gas sands study breaks down drilling and completion costs  

SciTech Connect (OSTI)

Given the high cost to drill and complete tight gas sand wells, advances in drilling and completion technology that result in even modest cost savings to the producer have the potential to generate tremendous savings for the natural gas industry. The Gas Research Institute sponsored a study to evaluate drilling and completion costs in selected tight gas sands. The objective of the study was to identify major expenditures associated with tight gas sand development and determine their relative significance. A substantial sample of well cost data was collected for the study. Individual well cost data were collected from nearly 300 wells in three major tight gas sand formations: the Cotton Valley sand in East Texas, the Frontier sand in Wyoming, and the Wilcox sand in South Texas. The data were collected and organized by cost category for each formation. After the information was input into a data base, a simple statistical analysis was performed. The statistical analysis identified data discrepancies that were then resolved, and it helped allow conclusions to be drawn regarding drilling and completion costs in these tight sand formations. Results are presented.

Brunsman, B. (Gas Research Inst., Chicago, IL (United States)); Saunders, B. (S.A. Holditch Associates Inc., College Station, TX (United States))

1994-06-06T23:59:59.000Z

37

AL 2014-06 ACQUISITION LETTERS REMAINING IN EFFECT | Department...  

Broader source: Energy.gov (indexed) [DOE]

AL 2014-06 ACQUISITION LETTERS REMAINING IN EFFECT AL 2014-06 ACQUISITION LETTERS REMAINING IN EFFECT AL 2014-06 ACQUISITION LETTERS REMAINING IN EFFECT Acquisition Letters (AL)...

38

AL 2014-06 ACQUISITION LETTERS REMAINING IN EFFECT | Department...  

Broader source: Energy.gov (indexed) [DOE]

AL 2014-06 ACQUISITION LETTERS REMAINING IN EFFECT AL 2014-06 ACQUISITION LETTERS REMAINING IN EFFECT Acquisition Letters (AL) that remain in effect are identified below. All other...

39

Current Understanding and Remaining Challenges in Modeling Long...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Understanding and Remaining Challenges in Modeling Long-Term Degradation of Borosilicate Nuclear Waste Glasses. Current Understanding and Remaining Challenges in Modeling...

40

Tight Product Balance Pushes Up Product Spread (Spot Product - Crude  

Gasoline and Diesel Fuel Update (EIA)

5 5 Notes: Gasoline inventories indicate how tight the gasoline product market is in any one region. When the gasoline market is tight, it affects the portion of gasoline price is the spread between spot product price and crude oil price. Note that in late 1998-and early 1999 spreads were very small when inventories were quite high. Contrast summers of 1998 or 1999 with summer 2000. Last summer's tight markets, resulting low stocks and transition to Phase 2 RFG added price pressure over and above the already high crude price pressure on gasoline -- particularly in the Midwest. As we ended last winter, gasoline inventories were low, and the spread between spot prices and crude oil were higher than typical as a result. Inventories stayed well below average and the spread during the

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Regional Vermont Agency Provides Work in Tight-Knit Communities |  

Broader source: Energy.gov (indexed) [DOE]

Vermont Agency Provides Work in Tight-Knit Communities Vermont Agency Provides Work in Tight-Knit Communities Regional Vermont Agency Provides Work in Tight-Knit Communities June 11, 2010 - 4:33pm Addthis Weatherization auditors and crews assist in making a Vermont home more energy-efficient in New England winters. | Photo Courtesy of Southeastern Vermont Community Action (SEVCA) Agency | Weatherization auditors and crews assist in making a Vermont home more energy-efficient in New England winters. | Photo Courtesy of Southeastern Vermont Community Action (SEVCA) Agency | Joshua DeLung "I think everyone has their heart in it. I think we see weatherization as a really worthy process." Morgan McKane, weatherization auditor at SEVCA Morgan McKane spent most of his career in southeast Vermont working in the

42

Completion methods in thick, multilayered tight gas sands  

E-Print Network [OSTI]

sands have been proposed in the petroleum literature. Kuuskraa, V.A. and Haas, M.R. proposed that “tight gas is merely an arbitrary delineation of a natural geologic continuity in the permeability of a reservoir rock. The dominant characteristic...-situ permeability as low as 0.001 mD”6. 10 Misra, R. proposed that “tight gas sands are reservoirs that have low permeability (< 0.1 mD) and which cannot be produced at economic flow rates or do not produce economic volumes without the assistance from...

Ogueri, Obinna Stavely

2008-10-10T23:59:59.000Z

43

Completion methods in thick, multilayered tight gas sands  

E-Print Network [OSTI]

sands have been proposed in the petroleum literature. Kuuskraa, V.A. and Haas, M.R. proposed that ?tight gas is merely an arbitrary delineation of a natural geologic continuity in the permeability of a reservoir rock. The dominant characteristic...-situ permeability as low as 0.001 mD?6. 10 Misra, R. proposed that ?tight gas sands are reservoirs that have low permeability (< 0.1 mD) and which cannot be produced at economic flow rates or do not produce economic volumes without the assistance from...

Ogueri, Obinna Stavely

2009-05-15T23:59:59.000Z

44

Invisibility in non-Hermitian tight-binding lattices  

E-Print Network [OSTI]

Reflectionless defects in Hermitian tight-binding lattices, synthesized by the intertwining operator technique of supersymmetric quantum mechanics, are generally not invisible and time-of-flight measurements could reveal the existence of the defects. Here it is shown that, in a certain class of non-Hermitian tight-binding lattices with complex hopping amplitudes, defects in the lattice can appear fully invisible to an outside observer. The synthesized non-Hermitian lattices with invisible defects possess a real-valued energy spectrum, however they lack of parity-time (PT) symmetry, which does not play any role in the present work.

Stefano Longhi

2010-08-31T23:59:59.000Z

45

Qubits from tight knots and bent nano-bars  

E-Print Network [OSTI]

We propose a novel mechanism for creating a qubit based on a tight knot, that is a nano-quantum wire system so small and so cold as to be quantum coherent with respect to curvature-induced effects. To establish tight knots as legitimate candidates for qubits, we propose an effective curvature-induced potential that produces the two-level system and identify the tunnel coupling between the two local states. We propose also a different design of nano-mechanical qubit based on twisted nano-rods. We describe how both devices can be manipulated. Also we outline possible decoherence channels, detection schemes and experimental setups.

Victor Atanasov; Rossen Dandoloff

2008-03-21T23:59:59.000Z

46

The Performance of Fractured Horizontal Well in Tight Gas Reservoir  

E-Print Network [OSTI]

?, including tight gas, gas/oil shale, oil sands, and coal-bed methane. North America has a substantial growth in its unconventional oil and gas market over the last two decades. The primary reason for that growth is because North America, being a mature...

Lin, Jiajing

2012-02-14T23:59:59.000Z

47

November 10, 2004 Robust Automatic Parallel Parking in Tight Spaces  

E-Print Network [OSTI]

park AGVs in tight spaces under both vehicle localization errors and parking space detection errors the kinematic model of a skid steering autonomous ground vehicle (AGV). They are then demonstrated exper. This paper also presents a genetic fuzzy system which uses a genetic algorithm's learning ability

Collins, Emmanuel

48

Questions remain on funding for cleanup of Oak Ridge Reservation...  

Office of Environmental Management (EM)

Questions remain on funding for cleanup of Oak Ridge Reservation Questions remain on funding for cleanup of Oak Ridge Reservation March 18, 2013 - 12:00pm Addthis There is great...

49

Impedance Biosensors: Applications to Sustainability and Remaining Technical Challenges  

E-Print Network [OSTI]

Impedance Biosensors: Applications to Sustainability and Remaining Technical Challenges Rajeswaran impedance spectroscopy, Biosensors, Sustainability, Endocrine-disrupting chemicals, Nanotechnology

Hammock, Bruce D.

50

Low reflectance radio frequency load  

DOE Patents [OSTI]

A load for traveling microwave energy has an absorptive volume defined by cylindrical body enclosed by a first end cap and a second end cap. The first end cap has an aperture for the passage of an input waveguide with a rotating part that is coupled to a reflective mirror. The inner surfaces of the absorptive volume consist of a resistive material or are coated with a coating which absorbs a fraction of incident RF energy, and the remainder of the RF energy reflects. The angle of the reflector and end caps is selected such that reflected RF energy dissipates an increasing percentage of the remaining RF energy at each reflection, and the reflected RF energy which returns to the rotating mirror is directed to the back surface of the rotating reflector, and is not coupled to the input waveguide. Additionally, the reflector may have a surface which generates a more uniform power distribution function axially and laterally, to increase the power handling capability of the RF load. The input waveguide may be corrugated for HE11 mode input energy.

Ives, R. Lawrence; Mizuhara, Yosuke M

2014-04-01T23:59:59.000Z

51

Tight-binding model for hydrogen-silicon interactions  

SciTech Connect (OSTI)

We have developed an empirical tight-binding model for use in molecular-dynamics simulations to study hydrogen-silicon systems. The hydrogen-silicon interaction is constructed to reproduce the electronic energy levels and vibration frequencies of silane (SiH{sub 4}). Further use of the model in the studies of disilane (Si{sub 2}H{sub 6}) and of hydrogen on the Si(111) surface also yields results in good agreement with first-principles calculations and experiments.

Min, B.J.; Lee, Y.H.; Wang, C.Z.; Chan, C.T.; Ho, K.M. (Microelectronics Research Center, Ames Laboratory, Iowa State University, Ames, Iowa 50011 (United States) Department of Physics and Astronomy, Ames Laboratory, Iowa State University, Ames, Iowa 50011 (United States))

1992-03-15T23:59:59.000Z

52

Neutron reflecting supermirror structure  

DOE Patents [OSTI]

An improved neutron reflecting supermirror structure comprising a plurality of stacked sets of bilayers of neutron reflecting materials. The improved neutron reflecting supermirror structure is adapted to provide extremely good performance at high incidence angles, i.e. up to four time the critical angle of standard neutron mirror structures. The reflection of neutrons striking the supermirror structure at a high critical angle provides enhanced neutron throughput, and hence more efficient and economical use of neutron sources. 2 figs.

Wood, J.L.

1992-12-01T23:59:59.000Z

53

Neutron reflecting supermirror structure  

DOE Patents [OSTI]

An improved neutron reflecting supermirror structure comprising a plurality of stacked sets of bilayers of neutron reflecting materials. The improved neutron reflecting supermirror structure is adapted to provide extremely good performance at high incidence angles, i.e. up to four time the critical angle of standard neutron mirror structures. The reflection of neutrons striking the supermirror structure at a high critical angle provides enhanced neutron throughput, and hence more efficient and economical use of neutron sources.

Wood, James L. (Drayton Plains, MI)

1992-01-01T23:59:59.000Z

54

A tightly coupled GIS and distributed hydrologic modeling framework  

Science Journals Connector (OSTI)

Abstract Distributed, physics-based hydrologic models require spatially explicit specification of parameters related to climate, geology, land-cover, soil, and topography. Extracting these parameters from national geodatabases requires intensive data processing. Furthermore, mapping these parameters to model mesh elements necessitates development of data access tools that can handle both spatial and temporal datasets. This paper presents an open-source, platform independent, tightly coupled GIS and distributed hydrologic modeling framework, \\{PIHMgis\\} (www.pihm.psu.edu), to improve model-data integration. Tight coupling is achieved through the development of an integrated user interface with an underlying shared geodata model, which improves data flow between the \\{PIHMgis\\} data processing components. The capability and effectiveness of the \\{PIHMgis\\} framework in providing functionalities for watershed delineation, domain decomposition, parameter assignment, simulation, visualization and analyses, is demonstrated through prototyping of a model simulation. The framework and the approach are applicable for watersheds of varied sizes, and offer a template for future GIS-Model integration efforts.

Gopal Bhatt; Mukesh Kumar; Christopher J. Duffy

2014-01-01T23:59:59.000Z

55

United States, International Partners Remove Last Remaining Weapons-Usable  

Broader source: Energy.gov (indexed) [DOE]

States, International Partners Remove Last Remaining States, International Partners Remove Last Remaining Weapons-Usable Highly Enriched Uranium from Hungary, Set Nuclear Security Milestone United States, International Partners Remove Last Remaining Weapons-Usable Highly Enriched Uranium from Hungary, Set Nuclear Security Milestone November 4, 2013 - 2:09pm Addthis NEWS MEDIA CONTACT (202) 586-4940 WASHINGTON - The U.S. Department of Energy today announced under a multi-year international effort coordinated between Hungary, the United States, the Russian Federation, and the International Atomic Energy Agency (IAEA), the successful removal of all remaining highly enriched uranium (HEU) from Hungary. This makes Hungary the twelfth country to completely eliminate HEU from its borders since President Obama's 2009 announcement

56

Prospects for Offshore Mineral Mining Remain in Doubt  

Science Journals Connector (OSTI)

Prospects for Offshore Mineral Mining Remain in Doubt ... Oil and gas exploration and exploitation offshore have been well established, and such sources are already supplying considerable quantities of energy and chemicals to the world economy. ...

JOSEPH HAGGIN

1988-11-07T23:59:59.000Z

57

Pore-scale mechanisms of gas flow in tight sand reservoirs  

SciTech Connect (OSTI)

Tight gas sands are unconventional hydrocarbon energy resource storing large volume of natural gas. Microscopy and 3D imaging of reservoir samples at different scales and resolutions provide insights into the coaredo not significantly smaller in size than conventional sandstones, the extremely dense grain packing makes the pore space tortuous, and the porosity is small. In some cases the inter-granular void space is presented by micron-scale slits, whose geometry requires imaging at submicron resolutions. Maximal Inscribed Spheres computations simulate different scenarios of capillary-equilibrium two-phase fluid displacement. For tight sands, the simulations predict an unusually low wetting fluid saturation threshold, at which the non-wetting phase becomes disconnected. Flow simulations in combination with Maximal Inscribed Spheres computations evaluate relative permeability curves. The computations show that at the threshold saturation, when the nonwetting fluid becomes disconnected, the flow of both fluids is practically blocked. The nonwetting phase is immobile due to the disconnectedness, while the permeability to the wetting phase remains essentially equal to zero due to the pore space geometry. This observation explains the Permeability Jail, which was defined earlier by others. The gas is trapped by capillarity, and the brine is immobile due to the dynamic effects. At the same time, in drainage, simulations predict that the mobility of at least one of the fluids is greater than zero at all saturations. A pore-scale model of gas condensate dropout predicts the rate to be proportional to the scalar product of the fluid velocity and pressure gradient. The narrowest constriction in the flow path is subject to the highest rate of condensation. The pore-scale model naturally upscales to the Panfilov's Darcy-scale model, which implies that the condensate dropout rate is proportional to the pressure gradient squared. Pressure gradient is the greatest near the matrix-fracture interface. The distinctive two-phase flow properties of tight sand imply that a small amount of gas condensate can seriously affect the recovery rate by blocking gas flow. Dry gas injection, pressure maintenance, or heating can help to preserve the mobility of gas phase. A small amount of water can increase the mobility of gas condensate.

Silin, D.; Kneafsey, T.J.; Ajo-Franklin, J.B.; Nico, P.

2010-11-30T23:59:59.000Z

58

Proceedings: EPRI Workshop on Condition and Remaining Life Assessment of Hot Gas Path Components of Combustion Turbines  

SciTech Connect (OSTI)

The severity of modern combustion turbine operation is a reflection of industry competition to achieve higher thermal efficiency. This competitive stance has resulted in new turbine designs and material systems that have at times outpaced condition and remaining life assessment (CARLA) technology. These proceedings summarize a two-day workshop on CARLA technology for hot section components of large combustion turbines.

None

2000-05-01T23:59:59.000Z

59

FAL 2006-04, Financial Assistance Letters Remaining in Effect  

Broader source: Energy.gov (indexed) [DOE]

Financial Assistance Letters (FALs) that remain in effect are identified below. All other previously issued FALs Financial Assistance Letters (FALs) that remain in effect are identified below. All other previously issued FALs have been superseded by a formal rulemaking, incorporated into other guidance, and/or canceled. *************** Financial Assistance Letters Remaining in Effect Number Date Subject 2006-03 05/10/2006 Implementation Guidance for Awarding Technology Investment Agreements Financial Assistance Letters Discontinued Number Date Subject Disposition 2004-03 02/12/2004 Intellectual Property Moved to the Guide to Financial Assistance 2004-06 11/02/2004 Award Terms Moved to the Guide to Financial Assistance 2005-03 06/27/2005 Eligibility Determination Required by Section 2306 of the Energy Policy Act Moved to the Guide to

60

Tight-Binding Models of Amorphous Systems: Liquid Metals  

Science Journals Connector (OSTI)

A tight-binding approach to the electronic structure of disordered systems is developed for a simple one-orbital model of a liquid metal. An equation is derived for a one-electron continuum Green's function from which the electronic density of states can be obtained. Utilizing an analogy between this Green's function and the T matrix of multiple-scattering theory, results are obtained corresponding to the quasicrystalline approximation (QCA) of Lax and the self-consistent approximation (SCA) of Schwartz and Ehrenreich. Moments of the spectral function are also analyzed. Calculations were made using random and hard-sphere pair distribution functions. The QCA in this model is quite inadequate, and the SCA, while a considerable improvement, proves to involve a questionable approximation to the three-body distribution function.

Laura M. Roth

1973-05-15T23:59:59.000Z

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

Methods and apparatus for measuring the tightness of enclosures  

DOE Patents [OSTI]

Disclosed are methods and apparatus for measuring tightness of an enclosure such as a building by utilizing alternating pressurization techniques. One method comprises providing apparatus capable of causing an internal volume change for the enclosure, the apparatus including a means for determining the instantaneous volume change, and a means for determining the instantaneous pressure within the enclosure. The apparatus is operated within the enclosure to change the volume thereof, and at least one of the frequency and the displacement is adjusted to achieve a root mean square pressure in the enclosure approximately equal to a reference pressure. At that pressure, the leakage of the enclosure is determined from the instantaneous displacement and instantaneous pressure values.

Modera, Mark P. (3815 Brighton Ave., Oakland, CA 94602); Sherman, Max H. (461 Hudson St., Oakland, CA 94618)

1987-01-13T23:59:59.000Z

62

Neutron reflecting supermirror structure  

DOE Patents [OSTI]

An improved neutron reflecting supermirror structure comprising a plurality of stacked sets of bilayers of neutron reflecting materials. The improved neutron reflecting supermirror structure is adapted to provide extremely good performance at high incidence angles, i.e. up to four time the critical angle of standard neutron mirror structures. The reflection of neutrons striking the supermirror structure at a high critical angle provides enhanced neutron throughput, and hence more efficient and economical use of neutron sources. One layer of each set of bilayers consist of titanium, and the second layer of each set of bilayers consist of an alloy of nickel with carbon interstitially present in the nickel alloy.

Wood, James L. (Drayton Plains, MI)

1992-01-01T23:59:59.000Z

63

Principles of neutron reflection  

SciTech Connect (OSTI)

Neutron reflection is perhaps the most developed branch of slow neutrons optics, which in itself is a direct consequence of the undulatory nature of the neutron. After reviewing the basic types of interactions (nuclear and magnetic) between neutrons and matter, the formalism is introduced to calculate the reflectivity from a sample composed of stacked flat layers and, inversely, to calculate the stacking from reflectivity measurements. Finally, a brief survey of the applications of neutron reflection is given, both in technology and in fundamental research. 32 refs., 6 figs.

Felcher, G.P.

1988-08-01T23:59:59.000Z

64

Reply to Davies: Hydraulic fracturing remains a possible mechanism for  

E-Print Network [OSTI]

LETTER Reply to Davies: Hydraulic fracturing remains a possible mechanism for observed methane mechanisms were leaky gas well casings and the possibility that hydraulic fracturing might generate new- knowledged the possibility of hydraulic fracturing playing a role. Is it possible that hydraulic fracturing

Jackson, Robert B.

65

Status and outlook for shale gas and tight oil development in the U.S.  

Gasoline and Diesel Fuel Update (EIA)

for for IEA Bilateral Meetings March 14, 2013 | Paris, France by Adam Sieminski, Administrator Annual Energy Outlook 2013 projections to 2040 2 * Growth in energy production outstrips consumption growth * Crude oil production rises sharply over the next decade * Motor gasoline consumption reflects more stringent fuel economy standards * The U.S. becomes a net exporter of natural gas in the early 2020s * U.S. energy-related carbon dioxide emissions remain below their 2005 level through 2040 Adam Sieminski, IEA Bilateral Meetings, March 14, 2013 U.S. energy use grows slowly over the projection reflecting improving energy efficiency and slow, extended economic recovery 3 0 20 40 60 80 100 120 1980 1985 1990 1995 2000 2005 2010 2015 2020 2025 2030 2035 2040

66

Analytical questions for shale gas and tight oil development in the U.S.  

Gasoline and Diesel Fuel Update (EIA)

For For Consumer Energy Alliance February 21, 2013 | Washington, D.C. By Adam Sieminski, Administrator Annual Energy Outlook 2013 projections to 2040 2 * Growth in energy production outstrips consumption growth * Crude oil production rises sharply over the next decade * Motor gasoline consumption reflects more stringent fuel economy standards * The U.S. becomes a net exporter of natural gas in the early 2020s * U.S. energy-related carbon dioxide emissions remain below their 2005 level through 2040 Adam Sieminski February 21, 2013 U.S. energy use grows slowly over the projection reflecting improving energy efficiency and slow, extended economic recovery 3 0 20 40 60 80 100 120 1980 1985 1990 1995 2000 2005 2010 2015 2020 2025 2030 2035 2040

67

Status and outlook for shale gas and tight oil development in the U.S.  

Gasoline and Diesel Fuel Update (EIA)

IFRI IFRI March 14, 2013 | Paris, France by Adam Sieminski, Administrator Annual Energy Outlook 2013 projections to 2040 2 * Growth in energy production outstrips consumption growth * Crude oil production rises sharply over the next decade * Motor gasoline consumption reflects more stringent fuel economy standards * The U.S. becomes a net exporter of natural gas in the early 2020s * U.S. energy-related carbon dioxide emissions remain below their 2005 level through 2040 Adam Sieminski , IFRI March 14, 2013 U.S. energy use grows slowly over the projection reflecting improving energy efficiency and slow, extended economic recovery 3 U.S. primary energy consumption quadrillion Btu Adam Sieminski , IFRI March 14, 2013 History Projections 2011 36% 20%

68

Status and outlook for shale gas and tight oil development in the U.S.  

Gasoline and Diesel Fuel Update (EIA)

FLAME Natural Gas & LNG Conference FLAME Natural Gas & LNG Conference March 13, 2013 | Amsterdam, Netherlands by Adam Sieminski, Administrator Annual Energy Outlook 2013 projections to 2040 2 * Growth in energy production outstrips consumption growth * Crude oil production rises sharply over the next decade * Motor gasoline consumption reflects more stringent fuel economy standards * The U.S. becomes a net exporter of natural gas in the early 2020s * U.S. energy-related carbon dioxide emissions remain below their 2005 level through 2040 Adam Sieminski , FLAME March 13, 2013 U.S. energy use grows slowly over the projection reflecting improving energy efficiency and slow, extended economic recovery 3 0 20 40 60 80 100 120 1980 1985 1990 1995 2000 2005 2010 2015 2020 2025 2030 2035 2040

69

Status and outlook for shale gas and tight oil development in the U.S.  

Gasoline and Diesel Fuel Update (EIA)

Baltimore Chartered Financial Analyst Society Baltimore Chartered Financial Analyst Society April 08, 2013 | Baltimore, MD By Adam Sieminski, Administrator Annual Energy Outlook 2013 projections to 2040 2 * Growth in energy production outstrips consumption growth * Crude oil production rises sharply over the next decade * Motor gasoline consumption reflects more stringent fuel economy standards * The U.S. becomes a net exporter of natural gas in the early 2020s * U.S. energy-related carbon dioxide emissions remain below their 2005 level through 2040 Adam Sieminski, Baltimore CFA Society April 08, 2013 U.S. energy use grows slowly over the projection reflecting improving energy efficiency and slow, extended economic recovery 3 0 20 40 60 80 100 120 1980 1985 1990 1995 2000 2005 2010 2015 2020 2025 2030 2035 2040

70

Status and outlook for shale gas and tight oil development in the U.S.  

Gasoline and Diesel Fuel Update (EIA)

Platts - North American Crude Marketing Conference Platts - North American Crude Marketing Conference March 01, 2013 | Houston, TX by Adam Sieminski, Administrator Annual Energy Outlook 2013 projections to 2040 Adam Sieminski , Platts, March 01, 2013 2 * Growth in energy production outstrips consumption growth * Crude oil production rises sharply over the next decade * Motor gasoline consumption reflects more stringent fuel economy standards * The U.S. becomes a net exporter of natural gas in the early 2020s * U.S. energy-related carbon dioxide emissions remain below their 2005 level through 2040 U.S. energy use grows slowly over the projection reflecting improving energy efficiency and slow, extended economic recovery 3 U.S. primary energy consumption quadrillion Btu

71

Pore-scale mechanisms of gas flow in tight sand reservoirs  

E-Print Network [OSTI]

include tight gas sands, gas shales, and coal-bed methane.Figure 3. Although the gas-shale production grows at a

Silin, D.

2011-01-01T23:59:59.000Z

72

Pressure analysis of the hydromechanical fracture behaviour in stimulated tight sedimentary geothermal reservoirs  

E-Print Network [OSTI]

The future of Geothermal Energy. Massachusetts Institute ofthe exploitation of geothermal energy from such rocks. Wemethod to extract geothermal energy from tight sedimentary

Wessling, S.

2009-01-01T23:59:59.000Z

73

Production optimization of a tight sandstone gas reservoir with well completions: A numerical simulation study.  

E-Print Network [OSTI]

??Tight gas sands have significant gas reserves, which requires cost-effective well completion technology and reservoir development plans for viable commercial exploitation. In this study, a… (more)

Defeu, Cyrille W.

2010-01-01T23:59:59.000Z

74

Naturally fractured tight gas reservoir detection optimization. Quarterly report, July 1--September 30, 1994  

SciTech Connect (OSTI)

Research continued in the detection of naturally fractured tight gas reservoirs. Tasks include modeling, data analysis, geologic assessment of the Piceance Basin, and remote sensing.

NONE

1997-05-01T23:59:59.000Z

75

The Relativistic Heavy Ion Collider (RHIC) - the nation's only remaining  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Collider (RHIC) - the nation's only remaining Collider (RHIC) - the nation's only remaining particle collider, located at Brookhaven National Laboratory - has made a series of landmark discoveries and continuing breakthroughs in science and technology. One major accomplishment has been RHIC's ability to recreate and study in detail a type of matter that last existed at the beginning of the universe to better understand the strongest force in nature - the force that holds together the fundamental particles that make up 99 percent of visible matter in the universe today, everything from stars to planets to people. In addition to giving us a new way to explore and understand the nature of the early universe and the force that holds together ordinary matter, research at RHIC has revealed stunning

76

US Geological Survey publications on western tight gas reservoirs  

SciTech Connect (OSTI)

This bibliography includes reports published from 1977 through August 1988. In 1977 the US Geological Survey (USGS), in cooperation with the US Department of Energy's, (DOE), Western Gas Sands Research program, initiated a geological program to identify and characterize natural gas resources in low-permeability (tight) reservoirs in the Rocky Mountain region. These reservoirs are present at depths of less than 2,000 ft (610 m) to greater than 20,000 ft (6,100 m). Only published reports readily available to the public are included in this report. Where appropriate, USGS researchers have incorporated administrative report information into later published studies. These studies cover a broad range of research from basic research on gas origin and migration to applied studies of production potential of reservoirs in individual wells. The early research included construction of regional well-log cross sections. These sections provide a basic stratigraphic framework for individual areas and basins. Most of these sections include drill-stem test and other well-test data so that the gas-bearing reservoirs can be seen in vertical and areal dimensions. For the convenience of the reader, the publications listed in this report have been indexed by general categories of (1) authors, (2) states, (3) geologic basins, (4) cross sections, (5) maps (6) studies of gas origin and migration, (7) reservoir or mineralogic studies, and (8) other reports of a regional or specific topical nature.

Krupa, M.P.; Spencer, C.W.

1989-02-01T23:59:59.000Z

77

Reflectivity of nonideal plasmas  

Science Journals Connector (OSTI)

New results on optical reflectance measurements of shock-compressed dense xenon plasma at wavelengths ? = 532 nm and ? = 694 nm are reported. The investigations have been performed for nonideal plasma (? = 0.87–2.0) at densities ? = 0.27–3.84 g cm?3 and pressures P = 1.6–17 GPa. The obtained high optical reflectance values are characteristic of a metallic fluid and are evidence for a conducting state in the shocked xenon. Reflectance measurements at different wavelengths provide information about the density profile of the shock wave front.

Yu Zaporoghets; V Mintsev; V Gryaznov; V Fortov; H Reinholz; T Raitza; G Röpke

2006-01-01T23:59:59.000Z

78

The fundamental limit on the rate of quantum dynamics: the unified bound is tight  

E-Print Network [OSTI]

The question of how fast a quantum state can evolve has attracted a considerable attention in connection with quantum measurement, metrology, and information processing. Since only orthogonal states can be unambiguously distinguished, a transition from a state to an orthogonal one can be taken as the elementary step of a computational process. Therefore, such a transition can be interpreted as the operation of "flipping a qubit", and the number of orthogonal states visited by the system per unit time can be viewed as the maximum rate of operation. A lower bound on the orthogonalization time, based on the energy spread DeltaE, was found by Mandelstam and Tamm. Another bound, based on the average energy E, was established by Margolus and Levitin. The bounds coincide, and can be exactly attained by certain initial states if DeltaE=E; however, the problem remained open of what the situation is otherwise. Here we consider the unified bound that takes into account both DeltaE and E. We prove that there exist no initial states that saturate the bound if DeltaE is not equal to E. However, the bound remains tight: for any given values of DeltaE and E, there exists a one-parameter family of initial states that can approach the bound arbitrarily close when the parameter approaches its limit value. The relation between the largest energy level, the average energy, and the orthogonalization time is also discussed. These results establish the fundamental quantum limit on the rate of operation of any information-processing system.

Lev B. Levitin; Tommaso Toffoli

2009-05-20T23:59:59.000Z

79

Low Total OECD Oil Stocks* Keep Market Balance Tight  

Gasoline and Diesel Fuel Update (EIA)

5 5 Notes: This chart illustrates why EIA sees crude oil prices staying relatively high. It shows global inventories, as measured by OECD petroleum stocks. EIA sees a tenuous supply/demand balance over the remainder of 2001. Global inventories remain low, and need to recover to more adequate levels of forward demand coverage in order to avoid continued price volatility. The most recent data show OECD inventories remaining at very low levels. Low inventories increase the potential for price volatility throughout 2001. Inventories are a good measure of the supply/demand balance that affects prices. A large over-supply (production greater than demand) will put downward pressure on prices, while under-supply will push prices upward. OECD inventories illustrate the changes in the world petroleum

80

Introducing Fraunhofer Personal reflection  

E-Print Network [OSTI]

­ they are not part of the University. The Centres form an integral part of that country's innovation system while for Sustainable Energy Systems. The Fraunhofer model is certainly applicable to the UK (the Fraunhofer modelIntroducing Fraunhofer Personal reflection I have taken a keen interest in Fraunhofer Geselleschaft

Mottram, Nigel

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

The Reflecting Microscope  

Science Journals Connector (OSTI)

...INVESTIGATION OF CATADIOPTRIC SCHWARZSCHILD SYSTEMS, JOURNAL OF THE OPTICAL...PHYSIOLOGY 32 : 489 ( 1949 ). SCHWARZSCHILD, K, GESELLSCHAFT WISS MP...USE OF REFLECTING SYSTEMS of mirror-pairs in microscope objectives...0.65 with an aspheric mirror-pair of Schwarzsehild...

Robert C. Mellors

1950-10-06T23:59:59.000Z

82

NETL: News Release - DOE Selects Projects Targeting America's "Tight" Gas  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

7, 2006 7, 2006 DOE Selects Projects Targeting America's "Tight" Gas Resources Research to Help Unlock Nation's Largest Growing Source of Natural Gas WASHINGTON, DC - The Department of Energy today announced the selection of two cost-shared research and development projects targeting America's major source of natural gas: low-permeability or "tight" gas formations. Tight gas is the largest of three so-called unconventional gas resources?the other two being coalbed methane (natural gas) and gas shales. Production of unconventional gas in the United States represents about 40 percent of the Nation's total gas output in 2004, but could grow to 50 percent by 2030 if advanced technologies are developed and implemented. The constraints on producing tight gas are due to the impermeable nature of the reservoir rocks, small reservoir compartments, abnormal (high or low) pressures, difficulty in predicting natural fractures that aid gas flow rates, and need to predict and avoid reservoirs that produce large volumes of water.

83

ORTHONORMAL DILATIONS OF NON-TIGHT FRAMES MARCIN BOWNIK, JOHN JASPER, AND DARRIN SPEEGLE  

E-Print Network [OSTI]

ORTHONORMAL DILATIONS OF NON-TIGHT FRAMES MARCIN BOWNIK, JOHN JASPER, AND DARRIN SPEEGLE Abstract and Riesz bounds are the same. Recently, Bownik and Jasper [3, Proposition 2.3] proved a dilation result

Scannell, Kevin Patrick

84

Solar Reflectance Index Calculator  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Reflectance Index Calculator Reflectance Index Calculator ASTM Designation: E 1980-01 Enter A State: Select a state Alabama Alaska Arkansas Arizona California Colorado Connecticut Delaware Florida Georgia Hawaii Iowa Idaho Illinois Indiana Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana North Carolina North Dakota Nebraska Nevada New Hampshire New Jersey New Mexico New York Ohio Oklahoma Oregon Pennsylvania Pacific Islands Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington Wisconsin West Virginia Wyoming Canadian Cities Enter A City: Select a city Wind Speed (mph) Wind Speed (m/s) Please input both the SR and the TE and the convection coeficient and surface temperature will be calculated

85

Reflection of nanoparticles  

E-Print Network [OSTI]

This work is devoted to molecular dynamics modeling of collision of nanoparticle having a small number of degrees of freedom with a structureless plain. The new regularities are established that determine properties of such particles. Generalized collision law is obtained where particle properties are determined by two coefficient, on of which corresponds to restitution coefficient. The discovered regularity predicts the existence of anomalous mode of particle reflection from a massive plain. In this mode, velocity of nanoparticle after reflection from a plain can exceed the initial one. The criterion of realization of such mode is obtained. Anomalous collision mode was observed during numerical modeling. Physical mechanism are discussed of phenomena that are observed during numerical experiments.

M. A. Ratner; A. V. Tur; V. V. Yanovsky

2013-12-18T23:59:59.000Z

86

Air Tightness of New U.S. Houses: A Preliminary Report  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Tightness of New U.S. Houses: A Preliminary Report Tightness of New U.S. Houses: A Preliminary Report Title Air Tightness of New U.S. Houses: A Preliminary Report Publication Type Report LBNL Report Number LBNL-48671 Year of Publication 2002 Authors Sherman, Max H., and Nance Matson Abstract Most dwellings in the United States are ventilated primarily through leaks in the building shell (i.e., infiltration) rather than by whole-house mechanical ventilation systems. Consequently, quantification of envelope air-tightness is critical to determining how much energy is being lost through infiltration and how much infiltration is contributing toward ventilation requirements. Envelope air tightness and air leakage can be determined from fan pressurization measurements with a blower door. Tens of thousands of unique fan pressurization measurements have been made of U.S. dwellings over the past decades. LBNL has collected the available data on residential infiltration into its Residential Diagnostics Database, with support from the U.S. Department of Energy. This report documents the envelope air leakage section of the LBNL database, with particular emphasis on new construction. The work reported here is an update of similar efforts carried out a decade ago, which used available data largely focused on the housing stock, rather than on new construction. The current effort emphasizes shell tightness measurements made on houses soon after they are built. These newer data come from over two dozen datasets, including over 73,000 measurements spread throughout a majority of the U.S. Roughly one-third of the measurements are for houses identified as energy-efficient through participation in a government or utility program. As a result, the characteristics reported here provide a quantitative estimate of the impact that energy-efficiency programs have on envelope tightness in the US, as well as on trends in construction.

87

Production of Natural Gas and Fluid Flow in Tight Sand Reservoirs  

SciTech Connect (OSTI)

This document reports progress of this research effort in identifying relationships and defining dependencies between macroscopic reservoir parameters strongly affected by microscopic flow dynamics and production well performance in tight gas sand reservoirs. These dependencies are investigated by identifying the main transport mechanisms at the pore scale that should affect fluids flow at the reservoir scale. A critical review of commercial reservoir simulators, used to predict tight sand gas reservoir, revealed that many are poor when used to model fluid flow through tight reservoirs. Conventional simulators ignore altogether or model incorrectly certain phenomena such as, Knudsen diffusion, electro-kinetic effects, ordinary diffusion mechanisms and water vaporization. We studied the effect of Knudsen's number in Klinkenberg's equation and evaluated the effect of different flow regimes on Klinkenberg's parameter b. We developed a model capable of explaining the pressure dependence of this parameter that has been experimentally observed, but not explained in the conventional formalisms. We demonstrated the relevance of this, so far ignored effect, in tight sands reservoir modeling. A 2-D numerical simulator based on equations that capture the above mentioned phenomena was developed. Dynamic implications of new equations are comprehensively discussed in our work and their relative contribution to the flow rate is evaluated. We performed several simulation sensitivity studies that evidenced that, in general terms, our formalism should be implemented in order to get more reliable tight sands gas reservoirs' predictions.

Maria Cecilia Bravo

2006-06-30T23:59:59.000Z

88

Reflections of Honor  

E-Print Network [OSTI]

by and Kirk appeared on the bridge for his watches and re treated to his quarters immediately thereafter, speaking to no one. Lara Merritt remained in her quarters, and if she ate or wept or slept or paced, she did it out of their sight. Spock was dead, one... five, most of the anger was gone. She breathed the rest of it out with a fierce determination and touched not the call button but the intercom. "Dr. Merritt? It's Lieutenant Uhura. May I come in?" The answering voice was hollow beyond the distortion...

Carraher, Lynda

1984-01-01T23:59:59.000Z

89

Destruction of attractive bosonic cloud due to high spatial coherence in tight trap  

SciTech Connect (OSTI)

We study coherence of a trapped bosonic cloud with attractive finite-range interaction in a tight harmonic trap. One-body density and pair-distribution function in the ground state for different trap sizes are calculated. We also calculate healing length and the correlation length which signify the presence of high spatial coherence in a very tight trap leading to the destruction of the condensate for a fixed particle number. This is in marked variance with the usual collapse of the attractive metastable condensate when N>N{sub cr}. Thus we investigate the critical frequency and critical size of the trap for the existence of attractive Bose-Einstein condensation. The finite-range interaction gives a nonlocal effect in the effective many-body potential, and we observe a high-density stable branch besides the known metastable branch. Moreover, the new branch shows universal behavior even in the very tight trap.

Biswas, Anindya; Das, Tapan Kumar [Department of Physics, University of Calcutta, 92 A.P.C. Road, Kolkata 700009 (India); Chakrabarti, Barnali [Instituto de Fisica, Universidade of Sao Paulo, CP 66318, 05315-970 Sao Paulo-SP (Brazil); Department of Physics, Lady Brabourne College, P1/2 Surawardi Avenue, Kolkata 700017 (India); Salasnich, Luca [Dipartimento di Fisica ''Galileo Galilei'' and CNISM, Universita di Padova, Via Marzolo 8, IT-35122 Padova (Italy)

2011-10-15T23:59:59.000Z

90

The Effects of Tight Budgetary Control on Employee Behavior in the Public Sector of Jordan, Pakistan and Sweden.  

E-Print Network [OSTI]

?? This thesis aims to explore the effects of tight budgetary control on employee behavior focusing on employee loyalty, employee satisfaction, job related tension and… (more)

Al-Shaibie, Mahmoud

2014-01-01T23:59:59.000Z

91

Expansion of the NRL Tight-Binding Method to Include f-orbitals and Application in Thorium and Actinium .  

E-Print Network [OSTI]

??The current NRL Tight-Binding suite of programs was designed to only include s, p, and d orbitals in the basis. Because of this limitation, materials… (more)

Durgavich, Joel

2012-01-01T23:59:59.000Z

92

Variable area light reflecting assembly  

DOE Patents [OSTI]

Device is described for tracking daylight and projecting it into a building. The device tracks the sun and automatically adjusts both the orientation and area of the reflecting surface. The device may be mounted in either a wall or roof of a building. Additionally, multiple devices may be employed in a light shaft in a building, providing daylight to several different floors. The preferred embodiment employs a thin reflective film as the reflecting device. One edge of the reflective film is fixed, and the opposite end is attached to a spring-loaded take-up roller. As the sun moves across the sky, the take-up roller automatically adjusts the angle and surface area of the film. Additionally, louvers may be mounted at the light entrance to the device to reflect incoming daylight in an angle perpendicular to the device to provide maximum reflective capability when daylight enters the device at non-perpendicular angles. 9 figs.

Howard, T.C.

1986-12-23T23:59:59.000Z

93

Application of Artificial Neural Network for Estimating Tight Gas Sand Intrinsic Permeability  

Science Journals Connector (OSTI)

Application of Artificial Neural Network for Estimating Tight Gas Sand Intrinsic Permeability ... This jth neuron occupies a general position in the network since it accepts inputs from nodes in the input layer and sends its output to neurons to the second hidden layer. ... (15)?Veelenturf, L. P. J. Analysis and Applications of Artificial Neural Networks; Prentice Hall:? London, 1995. ...

Ali A. Garrouch; Nejib Smaoui

1996-09-19T23:59:59.000Z

94

Disordered graphene and boron nitride in a microwave tight-binding analogue S. Barkhofen,1  

E-Print Network [OSTI]

Disordered graphene and boron nitride in a microwave tight-binding analogue S. Barkhofen,1 M Sophia-Antipolis, 06108 Nice, France (Dated: December 20, 2012) Experiments on hexagonal graphene of the high flexibility of the discs positions, consequences of the disorder introduced in the graphene

Paris-Sud XI, Université de

95

Tightly-Coupled Navigation Assistance in Heterogeneous Multi-Robot Teams  

E-Print Network [OSTI]

Tightly-Coupled Navigation Assistance in Heterogeneous Multi-Robot Teams Lynne E. Parker, Balajee International Conference on Intelligent Robots and Systems (IROS), Sendai, Japan, 2004. Abstract-- This paper robot teams, specifically for the task of navigation assistance. These cooperative behaviors enable

Parker, Lynne E.

96

Results from Tight and Loose Coupled Multiphysics in Nuclear Fuels Performance Simulations using BISON  

SciTech Connect (OSTI)

The behavior of nuclear fuel in the reactor environment is affected by multiple physics, most notably heat conduction and solid mechanics, which can have a strong influence on each other. To provide credible solutions, a fuel performance simulation code must have the ability to obtain solutions for each of the physics, including coupling between them. Solution strategies for solving systems of coupled equations can be categorized as loosely-coupled, where the individual physics are solved separately, keeping the solutions for the other physics fixed at each iteration, or tightly coupled, where the nonlinear solver simultaneously drives down the residual for each physics, taking into account the coupling between the physics in each nonlinear iteration. In this paper, we compare the performance of loosely and tightly coupled solution algorithms for thermomechanical problems involving coupled thermal and mechanical contact, which is a primary source of interdependence between thermal and mechanical solutions in fuel performance models. The results indicate that loosely-coupled simulations require significantly more nonlinear iterations, and may lead to convergence trouble when the thermal conductivity of the gap is too small. We also apply the tightly coupled solution strategy to a nuclear fuel simulation of an experiment in a test reactor. Studying the results from these simulations indicates that perhaps convergence for either approach may be problem dependent, i.e., there may be problems for which a loose coupled approach converges, where tightly coupled won’t converge and vice versa.

S. R. Novascone; B. W. Spencer; D. Andrs; R. L. Williamson; J. D. Hales; D. M. Perez

2013-05-01T23:59:59.000Z

97

Using multi-layer models to forecast gas flow rates in tight gas reservoirs  

E-Print Network [OSTI]

.2 Typical Tight Gas Sand Log Interval (Cotton Valley Formation)........................... 3 2.1 Type of Decline Curves by Arps........................................................................... 11 2.2 Fetkovich Type Curves... ......................................................................................... 14 2.3 Fetkovich Type Curves for Gas Wells .................................................................. 15 3.1 Plan View of Hydraulic Fracture and Grid System...............................................30 3.2 History Match...

Jerez Vera, Sergio Armando

2007-04-25T23:59:59.000Z

98

Tight Lower Bounds for st-Connectivity on the NNJAG Model (jeff@cs.yorku.ca)  

E-Print Network [OSTI]

4=3) on the NNJAG model by Edmonds Edm93a]. Our lower bound is tight for S 2 O(n1 ), for any > 0 to the size of the internal mem- ory of a machine. In these applications algorithms that run in small space

Edmonds, Jeff

99

Production of Natural Gas and Fluid Flow in Tight Sand Reservoirs  

SciTech Connect (OSTI)

This document reports progress of this research effort in identifying possible relationships and defining dependencies between macroscopic reservoir parameters strongly affected by microscopic flow dynamics and production well performance in tight gas sand reservoirs. Based on a critical review of the available literature, a better understanding of the main weaknesses of the current state of the art of modeling and simulation for tight sand reservoirs has been reached. Progress has been made in the development and implementation of a simple reservoir simulator that is still able to overcome some of the deficiencies detected. The simulator will be used to quantify the impact of microscopic phenomena in the macroscopic behavior of tight sand gas reservoirs. Phenomena such as, Knudsen diffusion, electro-kinetic effects, ordinary diffusion mechanisms and water vaporization are being considered as part of this study. To date, the adequate modeling of gas slippage in porous media has been determined to be of great relevance in order to explain unexpected fluid flow behavior in tight sand reservoirs.

Maria Cecilia Bravo; Mariano Gurfinkel

2005-06-30T23:59:59.000Z

100

Experiments with an Ecological Interface for Monitoring Tightly-Coordinated Robot Teams  

E-Print Network [OSTI]

Experiments with an Ecological Interface for Monitoring Tightly-Coordinated Robot Teams Gal A, with an ecological socially-attentive display that makes the state of coordination explicit. The results show such monitoring include search and rescue operations [4], multi-rover planetary exploration, and multi-vehicle

Kaminka, Gal A.

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Quantum confined Stark effect in Gaussian quantum wells: A tight-binding study  

SciTech Connect (OSTI)

The main characteristics of the quantum confined Stark effect (QCSE) are studied theoretically in quantum wells of Gaussian profile. The semi-empirical tight-binding model and the Green function formalism are applied in the numerical calculations. A comparison of the QCSE in quantum wells with different kinds of confining potential is presented.

Ramírez-Morales, A.; Martínez-Orozco, J. C.; Rodríguez-Vargas, I. [Unidad Académica de Física, Universidad Autónoma de Zacatecas, Calzada Solidaridad Esquina Con Paseo La Bufa S/N, 98060 Zacatecas, Zac. (Mexico)

2014-05-15T23:59:59.000Z

102

A Tight Approximation for an EOQ Model with Supply Disruptions Lawrence V. Snyder  

E-Print Network [OSTI]

, supply disruptions, EOQ, approximations, power-of-two policies 1 Introduction Despite the carefulA Tight Approximation for an EOQ Model with Supply Disruptions Lawrence V. Snyder Dept. of Industrial and Systems Engineering Lehigh University 200 West Packer Ave., Mohler Lab Bethlehem, PA, 18015

Snyder, Larry

103

Monte-Carlo simulation of the tight-binding model of graphene with partially screened Coulomb interactions  

E-Print Network [OSTI]

We report on Hybrid-Monte-Carlo simulations of the tight-binding model with long-range Coulomb interactions for the electronic properties of graphene. We investigate the spontaneous breaking of sublattice symmetry corresponding to a transition from the semimetal to an antiferromagnetic insulating phase. Our short-range interactions thereby include the partial screening due to electrons in higher energy states from ab initio calculations based on the constrained random phase approximation [T.O.Wehling {\\it et al.}, Phys.Rev.Lett.{\\bf 106}, 236805 (2011)]. In contrast to a similar previous Monte-Carlo study [M.V.Ulybyshev {\\it et al.}, Phys.Rev.Lett.{\\bf 111}, 056801 (2013)] we also include a phenomenological model which describes the transition to the unscreened bare Coulomb interactions of graphene at half filling in the long-wavelength limit. Our results show, however, that the critical coupling for the antiferromagnetic Mott transition is largely insensitive to the strength of these long-range Coulomb tails. They hence confirm the prediction that suspended graphene remains in the semimetal phase when a realistic static screening of the Coulomb interactions is included.

Dominik Smith; Lorenz von Smekal

2014-03-14T23:59:59.000Z

104

Benchmarking of Graphite Reflected Critical Assemblies of UO2  

SciTech Connect (OSTI)

A series of experiments were carried out in 1963 at the Oak Ridge National Laboratory Critical Experiments Facility (ORCEF) for use in space reactor research programs. A core containing 93.2% enriched UO2 fuel rods was used in these experiments. The first part of the experimental series consisted of 253 tightly-packed fuel rods (1.27 cm triangular pitch) with graphite reflectors [1], the second part used 253 graphite-reflected fuel rods organized in a 1.506 cm triangular pitch [2], and the final part of the experimental series consisted of 253 beryllium-reflected fuel rods with a 1.506 cm triangular pitch. [3] Fission rate distribution and cadmium ratio measurements were taken for all three parts of the experimental series. Reactivity coefficient measurements were taken for various materials placed in the beryllium reflected core. The first part of this experimental series has been evaluated for inclusion in the International Reactor Physics Experiment Evaluation Project (IRPhEP) [4] and the International Criticality Safety Benchmark Evaluation Project (ICSBEP) Handbooks, [5] and is discussed below. These experiments are of interest as benchmarks because they support the validation of compact reactor designs with similar characteristics to the design parameters for a space nuclear fission surface power systems. [6

Margaret A. Marshall; John D. Bess

2011-11-01T23:59:59.000Z

105

Current Size and Remaining Market Potential of the U.S. Energy...  

Broader source: Energy.gov (indexed) [DOE]

Current Size and Remaining Market Potential of the U.S. Energy Service Company Industry Current Size and Remaining Market Potential of the U.S. Energy Service Company Industry...

106

Microsoft Word - AL 2010-07 Acquistion Letters Remaining in Effect...  

Office of Environmental Management (EM)

AL 2010-07 Acquistion Letters Remaining in Effect May 2010 revision 1 June 2010 Microsoft Word - AL 2010-07 Acquistion Letters Remaining in Effect May 2010 revision 1 June 2010...

107

A test of the social cohesion hypothesis: interactive female marmots remain at home  

Science Journals Connector (OSTI)

...interactive female marmots remain at home Daniel T. Blumstein * Tina W. Wey Karisa...90095-1606, USA Individuals frequently leave home before reaching reproductive age, but...interactive female marmots remain at home. | Individuals frequently leave home before...

2009-01-01T23:59:59.000Z

108

Hull Remains from the Pabuç Burnu Shipwreck and Early Transition in Archaic Greek Shipbuilding  

E-Print Network [OSTI]

................................................ 19 II THE HULL REMAINS...................................................................... 21 Fragment Catalogue ....................................................................... 23 UM1..................................................................................... 29 Workings............................................................................ 31 UM2............................................................................................... 39 General Description...

Polzer, Mark Edward

2010-10-12T23:59:59.000Z

109

Photothermal and thermo-refractive effects in high reflectivity mirrors at room and cryogenic temperature  

E-Print Network [OSTI]

Increasing requirements in the sensitivity of interferometric measurements is a common feature of several research fields, from gravitational wave detection to quantum optics. This motivates refined studies of high reflectivity mirrors and of noise sources that are tightly related to their structure. In this work we present an experimental characterization of photothermal and thermo-refractive effects in high reflectivity mirrors, i.e., of the variations in the position of their effective reflection plane due to weak residual power absorption. The measurements are performed by modulating the impinging power in the range 10 Hz $\\div$ 100 kHz. The experimental results are compared with an expressly derived theoretical model in order to fully understand the phenomena and exploit them to extract useful effective thermo-mechanical parameters of the coating. The measurements are extended at cryogenic temperature, where most high sensitivity experiments are performed (or planned in future versions) and where characterizations of dielectric film coatings are still poor.

Alessandro Farsi; Mario Siciliani de Cumis; Francesco Marino; Francesco Marin

2011-09-21T23:59:59.000Z

110

Creating Ground State Molecules with Optical Feshbach Resonances in Tight Traps  

SciTech Connect (OSTI)

We propose to create ultracold ground state molecules in an atomic Bose-Einstein condensate by adiabatic crossing of an optical Feshbach resonance. We envision a scheme where the laser intensity and possibly also frequency are linearly ramped over the resonance. Our calculations for {sup 87}Rb show that for sufficiently tight traps it is possible to avoid spontaneous emission while retaining adiabaticity, and conversion efficiencies of up to 50% can be expected.

Koch, Christiane P. [Laboratoire Aime Cotton, CNRS, Ba circumflex t. 505, Campus d'Orsay, 91405 Orsay Cedex (France); Department of Physical Chemistry and Fritz Haber Research Center, Hebrew University, Jerusalem 91904 (Israel); Masnou-Seeuws, Francoise [Laboratoire Aime Cotton, CNRS, Bat. 505, Campus d'Orsay, 91405 Orsay Cedex (France); Kosloff, Ronnie [Department of Physical Chemistry and Fritz Haber Research Center, Hebrew University, Jerusalem 91904 (Israel)

2005-05-20T23:59:59.000Z

111

(Nearly-)Tight Bounds on the Linearity and Contiguity of Christophe Crespelle  

E-Print Network [OSTI]

Workshop France (2012)" #12;Lemma 1 For a rooted complete binary tree T, rank(T) = ph(T) = h(T). Theorem 2 For any rooted tree T, we have rank(T) = ph(T). Upper bounds for contiguity and linearity of cographs. We by their cotree, a rooted tree with two kinds of nodes labeled by P and S, giving a tight upper bound

Paris-Sud XI, Université de

112

OPTIMIZATION OF INFILL DRILLING IN NATURALLY-FRACTURED TIGHT-GAS RESERVOIRS  

SciTech Connect (OSTI)

A major goal of industry and the U.S. Department of Energy (DOE) fossil energy program is to increase gas reserves in tight-gas reservoirs. Infill drilling and hydraulic fracture stimulation in these reservoirs are important reservoir management strategies to increase production and reserves. Phase II of this DOE/cooperative industry project focused on optimization of infill drilling and evaluation of hydraulic fracturing in naturally-fractured tight-gas reservoirs. The cooperative project involved multidisciplinary reservoir characterization and simulation studies to determine infill well potential in the Mesaverde and Dakota sandstone formations at selected areas in the San Juan Basin of northwestern New Mexico. This work used the methodology and approach developed in Phase I. Integrated reservoir description and hydraulic fracture treatment analyses were also conducted in the Pecos Slope Abo tight-gas reservoir in southeastern New Mexico and the Lewis Shale in the San Juan Basin. This study has demonstrated a methodology to (1) describe reservoir heterogeneities and natural fracture systems, (2) determine reservoir permeability and permeability anisotropy, (3) define the elliptical drainage area and recoverable gas for existing wells, (4) determine the optimal location and number of new in-fill wells to maximize economic recovery, (5) forecast the increase in total cumulative gas production from infill drilling, and (6) evaluate hydraulic fracture simulation treatments and their impact on well drainage area and infill well potential. Industry partners during the course of this five-year project included BP, Burlington Resources, ConocoPhillips, and Williams.

Lawrence W. Teufel; Her-Yuan Chen; Thomas W. Engler; Bruce Hart

2004-05-01T23:59:59.000Z

113

Ultrasonic flowmetering with reflected pulses  

E-Print Network [OSTI]

A transit time type ultrasonic flowmeter was tested with two different reflected pulse trajectories in flowing air at ambient conditions against an orifice meter. The flowmeter was designed to be highly accurate, to require ...

Hoyle, David C.

1984-01-01T23:59:59.000Z

114

GRR/Section 11-TX-b - Human Remains Process | Open Energy Information  

Open Energy Info (EERE)

1-TX-b - Human Remains Process 1-TX-b - Human Remains Process < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 11-TX-b - Human Remains Process 11TXBHumanRemainsProcess.pdf Click to View Fullscreen Regulations & Policies CCP Art. 49 Triggers None specified Click "Edit With Form" above to add content 11TXBHumanRemainsProcess.pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Flowchart Narrative This flowchart illustrates the procedure a developer must follow when human remains are discovered on or near the project site. Local law enforcement must conduct an investigation into the death of the person, and is the

115

GRR/Section 11-MT-b - Human Remains Process | Open Energy Information  

Open Energy Info (EERE)

b - Human Remains Process b - Human Remains Process < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 11-MT-b - Human Remains Process 11MTBHumanRemainsProcess (1).pdf Click to View Fullscreen Contact Agencies Montana State Historic Preservation Office Regulations & Policies MCA 22-3-805: Discovery of Human Remains or Burial Material Triggers None specified Click "Edit With Form" above to add content 11MTBHumanRemainsProcess (1).pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Flowchart Narrative _ 11-MT-b.1 - Cease Operations and Contact County Coroner MCA 22-3-805: (1) A [developer] who by...construction, or other ground-disturbing

116

GRR/Section 11-CO-b - Human Remains Process | Open Energy Information  

Open Energy Info (EERE)

1-CO-b - Human Remains Process 1-CO-b - Human Remains Process < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 11-CO-b - Human Remains Process 11COBHumanRemainsProcess.pdf Click to View Fullscreen Contact Agencies Colorado Office of Archaeology and Historic Preservation Colorado Commission of Indian Affairs Regulations & Policies Historical, Prehistorical, and Archaeological Resources Act of 1973 8 CCR 1504-7, Rules and Procedures Triggers None specified Click "Edit With Form" above to add content 11COBHumanRemainsProcess.pdf 11COBHumanRemainsProcess.pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Flowchart Narrative 11-CO-b.1 and 11-CO-b.2 - Notify County Coroner

117

GRR/Section 11-WA-b - Human Remains Process | Open Energy Information  

Open Energy Info (EERE)

Page Page Edit with form History Facebook icon Twitter icon » GRR/Section 11-WA-b - Human Remains Process < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 11-WA-b - Human Remains Process 11-WA-b - Human Remains Process (1).pdf Click to View Fullscreen Triggers None specified This flowchart illustrates the necessary procedure when a developer discovers human remains on a project site. In Washington, every person has the duty to notify the coroner upon the discovery of any human remains in the most expeditious manner possible. The Washington Department of Archaeology and Historic Preservation (DAHP) handles the disposition of non-forensic remains, while the county coroner handles the disposition of

118

E-Print Network 3.0 - acromegaly remains under-recognized Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

test sample with both antibodies and a wash step, remaining activity in the wells Source: Burn, Charlotte - Department of Veterinary Clinical Sciences, Roayl Verterinary College...

119

E-Print Network 3.0 - angiography remains controversial Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

to identify significant coronary lesions. However, visualizing the complete... coronary tree remains a significant technical and clinical issue. One practical approach is to...

120

Dangling Bond Defects in a-Si,Ge Alloys: A Theoretical Study Using the Tight-Binding Method  

Science Journals Connector (OSTI)

This paper presents a theoretical study of Si and Ge atom dangling bond defects in a-Si,Ge alloys. We use a tight-binding Hamiltonian, and a structural model based on a cluster Bethe Lattice. The central clust...

S. Y. Lin; G. Lucovsky

1985-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

Did 1998 Reflect Structural Change?  

Gasoline and Diesel Fuel Update (EIA)

Did 1998 Reflect Structural Change? Did 1998 Reflect Structural Change? 5/17/99 Click here to start Table of Contents PPT Slide Did 1998 Reflect Structural Change? Demand U.S. Propane Demand Sectors (1996) PPT Slide 1998 Propane Prices Fell with Crude Oil PPT Slide Warm Weather Behind Demand Decline 1998 Warm Weather Kept Demand Down Supply Propane Production Fell in 1998 1998 Propane Net Imports Increased Algeria Was Major Source of ‘98 Import Increase U.S. Chemical Use & Large Storage Attracts Excess Propane Petroleum & Propane Market Over Supply Average Stock Levels: Crude Market & Propane Futures Market Incentives to Build Petroleum Stocks New “Structure” or Cycle? Near-Term Future Large January Draw Did Not Remove Excess How Might Excess Stocks Decline? Near Term U.S. Propane Production

122

Reflection Survey | Open Energy Information  

Open Energy Info (EERE)

Page Page Edit with form History Facebook icon Twitter icon » Reflection Survey Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Reflection Survey Details Activities (35) Areas (22) Regions (2) NEPA(3) Exploration Technique Information Exploration Group: Geophysical Techniques Exploration Sub Group: Seismic Techniques Parent Exploration Technique: Active Seismic Techniques Information Provided by Technique Lithology: Rock unit density influences elastic wave velocities. Stratigraphic/Structural: Structural geology- faults, folds, grabens, horst blocks, sedimentary layering, discontinuities, etc. Hydrological: Combining compressional and shear wave results can indicate the presence of fluid saturation in the formation. Thermal: High temperatures and pressure impact the compressional and shear wave velocities.

123

Generation of a beam of fast electrons by tightly focusing a radially polarized ultrashort laser pulse  

SciTech Connect (OSTI)

The generation of an electron beam through longitudinal field acceleration from a tightly focused radially polarized (TM{sub 01}) laser mode is reported. The longitudinal field is generated by focusing a TM{sub 01} few-cycle laser pulse (1.8 {mu}m, 550 {mu}J, 15 fs) with a high numerical aperture parabola. The created longitudinal field in the focal region is intense enough to ionize atoms and accelerate electrons to 23 keV of energy from a low density oxygen gas. The characteristics of the electron beam are presented.

Payeur, S.; Fourmaux, S.; Schmidt, B. E.; MacLean, J. P.; Tchervenkov, C.; Legare, F.; Kieffer, J. C. [ALLS Facility, Institut National de la Recherche Scientifique Energie, Materiaux et Telecommunications (INRS-EMT), 1650, boul. Lionel-Boulet, Varennes, Quebec J3X 1S2 (Canada); Piche, M. [Centre d'Optique, Photonique et Laser (COPL), 2375 rue de la Terrasse, Universite Laval, Quebec G1V 0A6 (Canada)

2012-07-23T23:59:59.000Z

124

30 kV coaxial vacuum-tight feedthrough for operation at cryogenic temperatures  

E-Print Network [OSTI]

In this paper we describe the technology of building a vacuum-tight high voltage feedthrough which is able to operate at voltages up to 30 kV. The feedthrough has a coaxial structure with a grounded sheath which makes it capable to lead high voltage potentials into cryogenic liquids, without risk of surface discharges in the gas phase above the liquid level. The feedthrough is designed to be used in ionization detectors, based on liquefied noble gases, such as Argon or Xenon.

I. Kreslo; I. Badhrees; S. Delaquis; A. Ereditato; S. Janos; M. Messina; U. Moser; B. Rossi; M. Zeller

2010-11-05T23:59:59.000Z

125

Tight bound on coherent-state-based entanglement generation over lossy channels  

SciTech Connect (OSTI)

The first stage of the hybrid quantum repeaters is entanglement generation based on transmission of pulses in coherent states over a lossy channel. Protocols to make entanglement with only one type of error are favorable for rendering subsequent entanglement distillation efficient. Here we provide the tight upper bound on performances of these protocols that is determined only by the channel loss. In addition, we show that this bound is achievable by utilizing a proposed protocol [K. Azuma, N. Sota, R. Namiki, S. K. Oezdemir, T. Yamamoto, M. Koashi, and N. Imoto, Phys. Rev. A 80, 060303(R) (2009)] composed of a simple combination of linear optical elements and photon-number-resolving detectors.

Azuma, Koji; Sota, Naoya; Koashi, Masato; Imoto, Nobuyuki [Division of Materials Physics, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531 (Japan)

2010-02-15T23:59:59.000Z

126

Tight bounds on the size of neural networks for classification problems  

SciTech Connect (OSTI)

This paper relies on the entropy of a data-set (i.e., number-of-bits) to prove tight bounds on the size of neural networks solving a classification problem. First, based on a sequence of geometrical steps, the authors constructively compute an upper bound of O(mn) on the number-of-bits for a given data-set - here m is the number of examples and n is the number of dimensions (i.e., R{sup n}). This result is used further in a nonconstructive way to bound the size of neural networks which correctly classify that data-set.

Beiu, V. [Los Alamos National Lab., NM (United States); Pauw, T. de [Universite Catholique de Louvain, Louvain-la-Neuve (Belgium). Dept. de Mathematique

1997-06-01T23:59:59.000Z

127

Fish remains (Elasmobranchii, Actinopterygii) from the Late Cretaceous of1 the Benue Trough, Nigeria2  

E-Print Network [OSTI]

Fish remains (Elasmobranchii, Actinopterygii) from the Late Cretaceous of1 the Benue Trough address: romain.vullo@univ-rennes1.fr9 10 Abstract11 Selachian and ray-finned fish remains from various Cenomanian­early Turonian and25 Maastrichtian) created opportunities for the dispersal of many marine fish

128

Removal of Last Remaining HEU from Vietnam - Time Lapse Video | National  

National Nuclear Security Administration (NNSA)

Removal of Last Remaining HEU from Vietnam - Time Lapse Video | National Removal of Last Remaining HEU from Vietnam - Time Lapse Video | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > Media Room > Video Gallery > Removal of Last Remaining HEU from Vietnam ... Removal of Last Remaining HEU from Vietnam - Time Lapse Video Removal of Last Remaining HEU from Vietnam - Time Lapse Video

129

December2010 AboutReflections  

E-Print Network [OSTI]

1 December2010 AboutReflections On October 22nd , in the Canada Room, almost 50 of us gathered Survey. Asking the assembled company in the Canada Room`what bugs students?' quickly brought. We lead with an article by Professor Phil Race, Emeritus Professor at Leeds Metropolitan University

Müller, Jens-Dominik

130

Analysis of stress sensitivity and its influence on oil productionfrom tight reservoirs  

SciTech Connect (OSTI)

This paper presents a study of the relationship betweenpermeability and effective stress in tight petroleum reservoirformations. Specifically, a quantitative method is developed to describethe correlation between permeability and effective stress, a method basedon the original in situ reservoir effective stress rather than ondecreased effective stress during development. The experimental resultsshow that the relationship between intrinsic permeability and effectivestress in reservoirs in general follows a quadratic polynomial functionalform, found to best capture how effective stress influences formationpermeability. In addition, this experimental study reveals that changesin formation permeability, caused by both elastic and plasticdeformation, are permanent and irreversible. Related pore-deformationtests using electronic microscope scanning and constant-rate mercuryinjection techniques show that while stress variation generally has smallimpact onrock porosity, the size and shape of pore throats have asignificant impact on permeability-stress sensitivity. Based on the testresults and theoretical analyses, we believe that there exists a cone ofpressure depression in the area near production within suchstress-sensitive tight reservoirs, leading to a low-permeability zone,and that well production will decrease under the influence of stresssensitivity.

Lei, Qun; Xiong, Wei; Yuan, Cui; Wu, Yu-Shu

2007-08-28T23:59:59.000Z

131

Tight-binding study of the electronic structure of amorphous silicon  

Science Journals Connector (OSTI)

We have performed tight-binding calculations on a model of an amorphous silicon sample generated previously by a molecular-dynamics simulation employing the Stillinger-Weber potential. The sample consists of 588 atoms and contains a high density of floating-bond defects. Two tight-binding calculations are presented, one using the widely accepted Chadi parameters, which include only nearest-neighbor interactions, and the other using the parameters recently proposed by Allen, Broughton, and McMahan (ABM) [Phys. Rev. B 34, 859 (1986)] for a nonorthogonal basis set. Comparison of the densities of states shows similar behavior in the valence band, but the electron density near a defect is less localized with the ABM parameters. It is also found that the projected density of states on the fivefold-coordinated atoms is very close to that on the fourfold-coordinated atoms, while the projected density of states on the threefold-coordinated atoms is distinctly different and has more states in the gap.

James L. Mercer; Jr. and M. Y. Chou

1991-03-15T23:59:59.000Z

132

Critical Power Correlation for Axially Uniformly Heated Tight-Lattice Bundles  

SciTech Connect (OSTI)

Critical power experiments were carried out, and the critical power correlation for axially uniformly heated tight bundles has been derived based on the present experimental data and data sets measured by the Bettis Atomic Power Laboratory. The shape of the test section simulates the fuel assembly of the reduced-moderation water reactor (RMWR), which is a water-cooled breeder reactor with a core of the tight triangular fuel rod arrangement. The obtained correlation covers the following conditions: channel geometry (triangular arrangement bundle of 7 to 20 rods, 6.6 to 12.3 mm in rod diameter, 1.0- to 2.3-mm gap between rods, 1.37 to 1.8 m in heated length), mass velocity of 100 to 2500 kg/(m{sup 2}s), inlet quality of -0.2 to 0, pressure of 2 to 8.5 MPa, and radial peaking factor of 0.98 to 1.5, which include uniform, center-peak, and liner transverse heat flux distribution data. An excellent agreement was obtained between the developed correlation and data (371 points) within an error of {+-}4.6%.

Kureta, Masatoshi; Akimoto, Hajime [Japan Atomic Energy Research Institute (Japan)

2003-07-15T23:59:59.000Z

133

Estimate of remaining life of blades in aircraft gas turbines from accumulated creep strain  

Science Journals Connector (OSTI)

The structure of a multicomponent solution to the problem of calculating the remaining life of blades on the basis of accumulated creep strain with allowance for the effect of vibration loads is ...

A. N. Vetrov; A. G. Kucher

1993-01-01T23:59:59.000Z

134

Prognostics and Health Management of PEMFC -state of the art and remaining Marine Jouin  

E-Print Network [OSTI]

Prognostics and Health Management of PEMFC - state of the art and remaining challenges Marine Jouin. This involves a better understanding of wearing processes and requires emulating the behavior of the whole

Paris-Sud XI, Université de

135

Current Size and Remaining Market Potential of the U.S. Energy Service Company Industry  

Broader source: Energy.gov [DOE]

"This report contains information on Current Size and Remaining Market Potential of the U.S. Energy Service Company Industry, prepared for the U.S. Department of Energy Office of Energy Efficiency and Renewable Energy, Weatherization and Intergovernmental Program."

136

Remnants of Ritual: A discussion of burial practices and material remains of Pompeian tombs  

E-Print Network [OSTI]

in a kiln, and fragments of tiles and pottery. She also writes that the structure collapsed most likely due to unintentional burning, after which the worshippers dug a pit into the collapsed rubble to deposit a burnt offering. Here, along... of their feasts likely remained. The examination of charred remains from burial pits at a Gallo- Roman cemetery at Faulqeumont in Moselle, France, may give us insight into material deposits around 1st century Roman graves. The graves were mostly pits, with a...

Geller, Jennifer

2013-04-01T23:59:59.000Z

137

The social implications of mortuary remains at two Mimbres Mogollon sites in Grant County, New Mexico  

E-Print Network [OSTI]

THE SOCIAL IMPLICATIONS OF MORTUARY REMAINS AT TWO MIMBRES MOGOLLON SITES IN GRANT COUNTY, NEW MEXICO A Thesis by MICHELE RODES KENNEDY SPREEN Submitted to the Graduate College of Texas AFM University in partial fulfillment... of the requirement for the degree of MASTER OF ARTS May 1983 Major Subject: Anthropology THE SOCIAL IMPLICATIONS OF MORTUARY REMAINS AT TWO MIMBRES MOGOLLON SITES IN GRANT COUNTY, NEW MEXICO A Thesis by MICHELE RODES KENNEDY SPREEN Approved as to style...

Spreen, Michele Rodes Kennedy

2012-06-07T23:59:59.000Z

138

Cumulus Clouds and Reflected Sunlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Cumulus Clouds and Reflected Sunlight Cumulus Clouds and Reflected Sunlight from Landsat ETM+ G. Wen and L. Oreopoulos National Aeronautics and Space Administration Goddard Space Flight Center University of Maryland Baltimore County Joint Center of Earth System Technology Greenbelt, Maryland R. F. Cahalan and S. C. Tsay National Aeronautics and Space Administration Goddard Space Flight Center Greenbelt, Maryland Introduction Cumulus clouds attenuate solar radiation casting shows on the ground. Cumulus clouds can also enhance solar radiation in the clear region nearby. The enhancement of down-welling solar radiation has been observed at the ground level in the clear region near cumulus clouds (Mims and Frederick 1994). The additional diffuse radiation source from cumulus clouds makes the clear gaps appear to be

139

Andreev reflection in bilayer graphene  

Science Journals Connector (OSTI)

We consider the differential conductance of a normal-superconductor junction in clean bilayer graphene in the framework of the Dirac–Bogoliubov–de Gennes equation. A remarkable suppression of the differential conductance at voltages just below the superconducting gap is found. This can be understood in terms of the spinor structures of the electron and hole excitations, in particular, the reflected valence-band hole being orthogonal to the incoming electron at normal incidence.

T. Ludwig

2007-05-18T23:59:59.000Z

140

Analytical tools for investigating strong-field QED processes in tightly focused laser fields  

E-Print Network [OSTI]

The present paper is the natural continuation of the letter [Phys. Rev. Lett. \\textbf{113}, 040402 (2014)], where the electron wave functions in the presence of a background electromagnetic field of general space-time structure have been constructed analytically, assuming that the initial energy of the electron is the largest dynamical energy scale in the problem and having in mind the case of a background tightly focused laser beam. Here, we determine the scalar and the spinor propagators under the same approximations, which are useful tools for calculating, e.g., total probabilities of processes occurring in such complex electromagnetic fields. In addition, we also present a simpler and more general expression of the electron wave functions found in [Phys. Rev. Lett. \\textbf{113}, 040402 (2014)] and we indicate a substitution rule to obtain them starting from the well-known Volkov wave functions in a plane-wave field.

Di Piazza, A

2015-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Geologic and production characteristics of the Tight Mesaverde Group: Piceance Basin, Colorado  

SciTech Connect (OSTI)

The Mesaverde Group of the Piceance Basin in western Colorado has been a pilot study area for government-sponsored tight gas sand research for over 20 years. This study provides a critical comparison of the geologic, production and reservoir characteristics of existing Mesaverde gas producing areas within the basin to those same characteristics at the MWX site near Rifle, Colorado. As will be discussed, the basin has been partitioned into three areas having similar geologic and production characteristics. Stimulation techniques have been reviewed for each partitioned area to determine the most effective stimulation technique currently used in the Mesaverde. This study emphasizes predominantly the southern Piceance Basin because of the much greater production and geologic data there. There may be Mesaverde gas production in northern areas but because of the lack of production and relatively few penetrations, the northern Piceance Basin was not included in the detailed parts of this study. 54 refs., 31 figs., 7 tabs.

Myal, F.R.; Price, E.H.; Hill, R.E.; Kukal, G.C.; Abadie, P.A.; Riecken, C.C.

1989-07-01T23:59:59.000Z

142

The Formation of Systems with Tightly-packed Inner Planets (STIPs) via Aerodynamic Drift  

E-Print Network [OSTI]

The NASA Kepler mission has revealed an abundant class of Systems with Tightly-packed Inner Planets (STIPs). The current paradigm for planet formation suggests that small planetesimals will quickly spiral into the host star due to aerodynamic drag, preventing rocky planet formation. In contrast, we find that aerodynamic drift, when acting on an ensemble of solids, can concentrate mass at short orbital periods in gaseous disks. Sublimation fronts may further aid this process. Kepler data suggest that the innermost known planets are found near the silicate sublimation zone. STIP planets should have a wide range of volatile fractions due to aerodynamic drift and H2 dissociation-driven gas accretion. We further propose that the low mass of Mars is evidence that the Solar System was once a proto-STIP.

Boley, Aaron C

2013-01-01T23:59:59.000Z

143

Tight-Binding Modeling and Low-Energy Behavior of the Semi-Dirac Point  

Science Journals Connector (OSTI)

We develop a tight-binding model description of semi-Dirac electronic spectra, with highly anisotropic dispersion around point Fermi surfaces, recently discovered in electronic structure calculations of VO2-TiO2 nanoheterostructures. We contrast their spectral properties with the well-known Dirac points on the honeycomb lattice relevant to graphene layers and the spectra of bands touching each other in zero-gap semiconductors. We also consider the lowest order dispersion around one of the semi-Dirac points and calculate the resulting electronic energy levels in an external magnetic field. In spite of apparently similar electronic structures, Dirac and semi-Dirac systems support diverse low-energy physics.

S. Banerjee; R. R. P. Singh; V. Pardo; W. E. Pickett

2009-07-01T23:59:59.000Z

144

Demonstration of a memory for tightly guided light in an optical nanofiber  

E-Print Network [OSTI]

We report the experimental observation of slow-light and coherent storage in a setting where light is tightly confined in the transverse directions. By interfacing a tapered optical nanofiber with a cold atomic ensemble, electromagnetically induced transparency is observed and light pulses at the single-photon level are stored in and retrieved from the atomic medium with an overall efficiency of (10 +/- 0.5) %. Collapses and revivals can be additionally controlled by an applied magnetic field. Our results based on subdiffraction-limited optical mode interacting with atoms via the strong evanescent field demonstrate an alternative to free-space focusing and a novel capability for information storage in an all-fibered quantum network.

Gouraud, B; Nicolas, A; Morin, O; Laurat, J

2015-01-01T23:59:59.000Z

145

Tight-binding theory of spin-orbit coupling in graphynes  

Science Journals Connector (OSTI)

We investigate the effects of Rashba and intrinsic spin-orbit couplings (SOC) in graphynes. First, we develop a general method to address spin-orbit couplings within the tight-binding theory. Then, we apply this method to ?-, ?-, and ?-graphyne, and determine the SOC parameters in terms of the microscopic hopping and onsite energies. We find that for ?-graphyne, as in graphene, the intrinsic SOC opens a nontrivial gap, whereas the Rashba SOC splits each Dirac cone into four. In ?- and ?-graphyne, the Rashba SOC can lead to a Lifshitz phase transition, thus transforming the zero-gap semiconductor into a gapped system or vice versa, when pairs of Dirac cones annihilate or emerge. The existence of internal (within the benzene ring) and external SOC in these compounds allows us to explore a myriad of phases not available in graphene.

Guido van Miert; Vladimir Juri?i?; Cristiane Morais Smith

2014-11-11T23:59:59.000Z

146

A National Forum on Demand Response: Results on What Remains to Be Done to  

Broader source: Energy.gov (indexed) [DOE]

A National Forum on Demand Response: Results on What Remains to Be A National Forum on Demand Response: Results on What Remains to Be Done to Achieve Its Potential - Program Design and Implementation Working Group A National Forum on Demand Response: Results on What Remains to Be Done to Achieve Its Potential - Program Design and Implementation Working Group In July 2011, the Federal Energy Regulatory Commission's (FERC) staff and the Department of Energy (DOE) jointly submitted to Congress a required "Implementation Proposal for the National Action Plan on Demand Response." The Implementation Proposal was for FERC's June 2010 National Action Plan for Demand Response. Part of the July 2011 Implementation Proposal called for a "National Forum" on demand response to be conducted by DOE and FERC. Given the

147

White House: D'Agostino To Remain as NNSA Administrator | Department of  

Broader source: Energy.gov (indexed) [DOE]

White House: D'Agostino To Remain as NNSA Administrator White House: D'Agostino To Remain as NNSA Administrator White House: D'Agostino To Remain as NNSA Administrator September 3, 2009 - 12:00am Addthis WASHINGTON, DC - Today, President Barack Obama announced that Thomas Paul D'Agostino, Under Secretary for Nuclear Security of the Department of Energy and Administrator for Nuclear Security of the National Nuclear Security Administration, will continue serving in his current role. The following is a quote from the President included in today's White House press release (the full release is included below): "The dedication and talent of these individuals will be tremendously valuable to my administration as we work to tackle our challenges at home and abroad, and I look forward to working with them in the coming months and years."

148

A National Forum on Demand Response: Results on What Remains to Be Done to  

Broader source: Energy.gov (indexed) [DOE]

A National Forum on Demand Response: Results on What Remains to Be A National Forum on Demand Response: Results on What Remains to Be Done to Achieve Its Potential - Tools and Methods Working Group A National Forum on Demand Response: Results on What Remains to Be Done to Achieve Its Potential - Tools and Methods Working Group In July 2011, the Federal Energy Regulatory Commission's (FERC) staff and the Department of Energy (DOE) jointly submitted to Congress a required "Implementation Proposal for the National Action Plan on Demand Response." The Implementation Proposal was for FERC's June 2010 National Action Plan for Demand Response. Part of the July 2011 Implementation Proposal called for a "National Forum" on demand response to be conducted by DOE and FERC. Given the rapid development of the demand response industry, DOE and FERC decided

149

Demand for Food for People in Need Remains High Throughout the Year |  

Broader source: Energy.gov (indexed) [DOE]

Demand for Food for People in Need Remains High Throughout the Year Demand for Food for People in Need Remains High Throughout the Year Demand for Food for People in Need Remains High Throughout the Year December 24, 2013 - 12:00pm Addthis Pictured are donations the Office of Human Capital at EM headquarters provided to the campaign. Pictured are donations the Office of Human Capital at EM headquarters provided to the campaign. WASHINGTON, D.C. - EM and its field sites donated 53,630 pounds - or 27 tons - of non-perishable items to a food drive by federal workers to help feed families across the country in 2013. EM surpassed its goal to donate 50,000 pounds to the 2013 Feds Feed Families Campaign. In Ohio, EM's Portsmouth site donated to the Community Action Committee of Pike County Food Pantry, which typically feeds about 250 needy families

150

A little rain doesn't fix it: Farmers and ranchers remain cautious as drought continues  

E-Print Network [OSTI]

A little rain doesn?t fix it Farmers and ranchers remain cautious as drought continues Summer 2012 tx H2O 11 ] Story by Danielle Kalisek Rains in the Brazos Valley early in 2012 helped this grass green up, but more rains are needed now... have helped ease the pressure, farmers and ranchers remain cautious, remembering the pain of last year as they prepare for the future. ?If you look at what the climatologists are saying, the La Ni?a event expired around the end of April, and we...

Kalisek, Danielle

2012-01-01T23:59:59.000Z

151

Factors that affect fracture fluid clean-up and pressure buildup test results in tight gas reservoirs  

E-Print Network [OSTI]

FACTORS THAT AFFECT FRACTURE FLUID CLEAN-UP AND PRESSURE BUILDUP TEST RESULTS IN TIGHT GAS RESERVOIRS A Thesis KEVIN TODD MONTGOMERY Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements... for the degree of MASTER OF SCIENCE May 1990 Major Subject: Petroleum Engineering FACTORS THAT AFFECT FRACTURE FLUID CLEAN-UP AND PRESSURE BUILDUP TEST RESULTS IN TIGHT GAS RESERVOIRS A Thesis KEVIN TODD MONTGOMERY Approved as to style and content by: S...

Montgomery, Kevin Todd

1990-01-01T23:59:59.000Z

152

GREEN FUNCTIONS ASSOCIATED TO COMPLEX REFLECTION GROUPS  

E-Print Network [OSTI]

GREEN FUNCTIONS ASSOCIATED TO COMPLEX REFLECTION GROUPS University of Tokyo Noda, Chiba 278-8510, Japan Abstract. Green functions called symbols. Generali* *zing this, we define Green functions associated to complex reflection

Shoj, Toshiaki

153

Spatial Convergence of Bidirectional Reflectance Models  

Science Journals Connector (OSTI)

Analyses of bidirectional reflectance data are presented with implications regarding the spatial scales appropriate for inferring irradiances from radiances reflected by various surface–atmosphere scenes. Multiple-angle radiance data collected in ...

John M. Davis; Stephen K. Cox

1998-10-01T23:59:59.000Z

154

Introduction Abstract reflection groups and abstract buildings  

E-Print Network [OSTI]

Introduction Abstract reflection groups and abstract buildings Their geometric realizations Compactly supported cohomology L2 -cohomology Cohomology of Coxeter groups and buildings Mike Davis (work groups and buildings #12;Introduction Abstract reflection groups and abstract buildings Their geometric

Vogtmann, Karen

155

Lensless X-Ray Imaging in Reflection  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Lensless X-Ray Imaging in Reflection Lensless X-Ray Imaging in Reflection Print Wednesday, 26 October 2011 00:00 The advent of x-ray free-electron laser (XFEL) light sources has...

156

Simulation of fracture fluid cleanup and its effect on long-term recovery in tight gas reservoirs  

E-Print Network [OSTI]

technologies, such as large volume fracture treatments, are required before a reasonable profit can be made. Hydraulic fracturing is one of the best methods to stimulate a tight gas well. Most fracture treatments result in 3-6 fold increases in the productivity...

Wang, Yilin

2009-05-15T23:59:59.000Z

157

Dirac Point and Edge States in a Microwave Realization of Tight-Binding Graphene-like Structures  

E-Print Network [OSTI]

Dirac Point and Edge States in a Microwave Realization of Tight-Binding Graphene-like Structures U-binding graphene-like structures. The structures are realized using disks with a high index of refraction properties, mechan- ically as electronically. Another realization is graphene, a one-atom-thick allotrope

Boyer, Edmond

158

Abstract--Market and system operations are tightly coupled in the restructured environment. Such coupling requires a  

E-Print Network [OSTI]

1 Abstract--Market and system operations are tightly coupled in the restructured environment and the way the power systems are operated. There is a particular need to go beyond the qualitative of electricity markets need not decrease when the system is operated under a stricter criterion. Index Terms

Gross, George

159

Reflective ghost imaging through turbulence  

SciTech Connect (OSTI)

Recent work has indicated that ghost imaging may have applications in standoff sensing. However, most theoretical work has addressed transmission-based ghost imaging. To be a viable remote-sensing system, the ghost imager needs to image rough-surfaced targets in reflection through long, turbulent optical paths. We develop, within a Gaussian-state framework, expressions for the spatial resolution, image contrast, and signal-to-noise ratio of such a system. We consider rough-surfaced targets that create fully developed speckle in their returns and Kolmogorov-spectrum turbulence that is uniformly distributed along all propagation paths. We address both classical and nonclassical optical sources, as well as a computational ghost imager.

Hardy, Nicholas D.; Shapiro, Jeffrey H. [Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 (United States)

2011-12-15T23:59:59.000Z

160

Spectral Reflectance of Silicon Photodiodes  

E-Print Network [OSTI]

Introduction Silicon photodiodes are among the most popular photodetectors that combine high performance over a wide wavelength range with unparalleled ease of use. High-quality photodiodes, in the form of a trap detector, 1,2 have many significant applications in precision radiometry. Their predictable responsivity in visible and near-infrared ~NIR! wavelengths allows the realization of high-accuracy spectral responsivity scales. 3,4 The spectral responsivity scales can be utilized in, for example, realization of luminous intensity 5,6 and spectral irradiance scales. 7,8 The spectral responsivity of a silicon photodiode is determined by the reflectance of the diode surface r~l! and the internal quantum deficiency d~l!. The values of d~l! and r~l! can be extrapolated 4 by mathematical models. To extrapolate the val

Atte Haapalinna; Petri Kärhä; Erkki Ikonen

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

Reflection Survey (Nannini, 1986) | Open Energy Information  

Open Energy Info (EERE)

Reflection Survey (Nannini, 1986) Reflection Survey (Nannini, 1986) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Reflection Survey (Nannini, 1986) Exploration Activity Details Location Unspecified Exploration Technique Reflection Survey Activity Date Usefulness could be useful with more improvements DOE-funding Unknown Notes "seismic analyses" - no indication of active/passive, reflection/refraction, etc. ---> "On the contrary, in areas with little or no volcanic activity, assumptions on the nature, size and characteristics of the source of the thermal anomaly are generally much more difficult and hypothetical. In these circumstances, some useful data can be obtained from accurate seismic analyses, together with a seismotectonic and geodynamic

162

OECD Crude "Demand" Remains Flat Between 1st and 2nd Quarters  

Gasoline and Diesel Fuel Update (EIA)

6 6 Notes: As we enter the year 2000, we can expect crude oil demand to follow the usual pattern and remain relatively flat in OECD countries between first and second quarters. Note that for OECD, product demand is greater than crude use. These areas import products from outside the region. While product demand falls during the second and third quarters, crude inputs to refineries remain high enough to allow for some product stock building Additionally, purchases of crude oil exceed inputs to refineries for a time, allowing crude oil stocks to build as well in order to cover the shortfall between crude oil production and demand during the fourth and first quarters. Price can strengthen during the "weak product demand" summer months when the market feels stock building is inadequate to meet the

163

A National Forum on Demand Response: What Remains to Be Done to Achieve Its  

Broader source: Energy.gov (indexed) [DOE]

State and Regional Policy Assistance » Technical Assistance » Demand State and Regional Policy Assistance » Technical Assistance » Demand Response - Policy » A National Forum on Demand Response: What Remains to Be Done to Achieve Its Potential A National Forum on Demand Response: What Remains to Be Done to Achieve Its Potential In July 2011, the Federal Energy Regulatory Commission's (FERC) staff and the Department of Energy (DOE) jointly submitted to Congress a required "Implementation Proposal for the National Action Plan on Demand Response." The Implementation Proposal was for FERC's June 2010 National Action Plan for Demand Response. Part of the July 2011 Implementation Proposal called for a "National Forum" on demand response to be conducted by DOE and FERC. Given the rapid development of the demand response industry, DOE and FERC decided

164

Enhanced Contaminated Human Remains Pouch: initial development and preliminary performance assessments  

SciTech Connect (OSTI)

The objective is to produce a proof of concept prototype Enhanced Contaminated Human Remains Pouch (ECHRP) with self-decontamination capability to provide increased protection to emergency response personnel. The key objective was to decrease the concentration of toxic chemicals through the use of an absorbent and reactive nanocellulose liner. Additionally, nanomaterials with biocidal properties were developed and tested as a 'stand-alone' treatment. The setting was a private company research laboratory. The main outcome measures were production of a functional prototype. A functional prototype capable of mitigating the threats due to sulfur mustard, Soman, and a large variety of liquid and vapor toxic industrial chemicals was produced. Stand-alone biocidal treatment efficacy was validated. The ECHRP provides superior protection from both chemical and biological hazards to various emergency response personnel and human remains handlers.

Iseli, A.M.; Kwen, H.D.; Ul-Alam, M.; Balasubramanian, M.; Rajagopalan, S.

2011-11-07T23:59:59.000Z

165

The human skeletal remains of a skull pit at Colha, Belize  

E-Print Network [OSTI]

, age at death, dental and honey pathology, and the cultural practices of cranial deformation and tooth filing. The study also examined the evidence for postmortem mutilation of the remains and explored the burial pattern. The analysis documented... observed on Colha Skull Pit adults, by sex and age classification. 3 Dental pathology observed in Colha Skull Pit adults. 4 Dental pathology in Colha Skull Pit children listed by caries rank. 39 43 45 5 Distribution of enamel hypoplasia and its...

Massey, Virginia Kehrer

1986-01-01T23:59:59.000Z

166

Taphonomy of the faunal remains of a rural roman farmsite, San Giovanni di Ruoti, Italy  

E-Print Network [OSTI]

remains. The taphonomic analysis included examination of the pig skeletal element representation, identification of the specific agents that modify bone, identification of the butchering techniques used at the site, and documentation of possible... element discrimination when identifications are made. The element analysis resulted in a predictible pattern of bone survival based on the physical structure of the bones. When the faunal sample was examined for the effects of the ten taphonomic agents...

Hunter, Cristi Assad

2012-06-07T23:59:59.000Z

167

Acquisition LetteJ'S (AL) that remain in effect are identified below. All odJer  

Broader source: Energy.gov (indexed) [DOE]

LetteJ'S (AL) that remain in effect are identified below. All odJer previously issued ALs have been LetteJ'S (AL) that remain in effect are identified below. All odJer previously issued ALs have been supersedcd by a formal rule-making. incorporated into other guidance, and/or canceled. ~ ~,COUISITION LETTERS REMAINING IN EFFECT NUMBER 93-4 94-19 95-06 95-14 96-09 98-04 98-11 99.{)4 99-06 2000-02 2000-05 2000-08 2000-09 2000-10R 2000-12 200 1-03 ~ SUBJECT !!AIE 04/07/93 12/09/94 06!2819~ 11/17/9~ Displaced Workers Benefits Program Basic Labor Policies Fringe Benefits Personal Property Letter System Subcontracts under the New Independent States - Industrial Partnering Program Full and Open Competition - Management and Operating Contracts Diversity Plans Waiver of Synopsis Requirements Consortium Buying 09/16/96 03/11/98 09/18/98 06/23/99 08/27/99 DOE Authorized Subcontract for Use by DOE Management and

168

In situ bioremediation of petroleum in tight soils using hydraulic fracturing  

SciTech Connect (OSTI)

This case study evaluated the effectiveness of in situ bioremediation of petroleum hydrocarbons in tight soils. The study area was contaminated with cutting oil from historic releases from underground piping, probably dating back to the 1940`s. Previous site assessment work indicated that the only chemicals of concern were total petroleum hydrocarbons (TPH). Two fracture sets (stacks) were installed at different locations to evaluate this in situ bioremediation technique under passive and active conditions. Several injection wells were drilled at both locations to provide entry for hydraulic fracturing equipment. A series of circular, horizontal fractures 40 to 50 feet in diameter were created at different depths, based on the vertical extent of contamination at the site. The injection wells were screened across the contaminated interval which effectively created underground bioreactors. Soils were sampled and analyzed for total petroleum hydrocarbons on five separate occasions over the nine-month study. Initial average soil concentrations of total petroleum hydrocarbons of 5,700 mg/kg were reduced to 475 mg/kg within nine months of hydraulic fracturing. The analytical results indicate an average reduction in TPH at the sample locations of 92 percent over the nine-month study period. This project demonstrates that in situ bioremediation using hydraulic fracturing has significant potential as a treatment technology for petroleum contaminated soils.

Stavnes, S. [Environmental Protection Agency, Denver, CO (United States); Yorke, C.A. [Foremost Solutions, Inc., Golden, CO (United States); Thompson, L. [Pintail Systems, Inc., Aurora, CO (United States)

1996-12-31T23:59:59.000Z

169

Definition: Reflection Survey | Open Energy Information  

Open Energy Info (EERE)

Reflection Survey Reflection Survey Jump to: navigation, search Dictionary.png Reflection Survey Seismic reflection surveys image the structure of the subsurface through the measurement of the two way travel time of reflected artificially-generated elastic waves.[1] View on Wikipedia Wikipedia Definition Also Known As Seismic Reflection References ↑ http://www.amazon.com/Introduction-Geophysical-Prospecting-Milton-Dobrin/dp/0071004041 Ret LikeLike UnlikeLike You like this.Sign Up to see what your friends like. rieved from "http://en.openei.org/w/index.php?title=Definition:Reflection_Survey&oldid=598371" Category: Definitions What links here Related changes Special pages Printable version Permanent link Browse properties 429 Throttled (bot load) Error 429 Throttled (bot load)

170

A tight-binding potential for atomistic simulations of carbon interacting with transition metals: Application to the Ni-C system  

E-Print Network [OSTI]

for transition metals, carbon, and transition metal carbides, which has been optimized through a systematicA tight-binding potential for atomistic simulations of carbon interacting with transition metals of the transition metal, is used to obtain a transferable tight-binding model of the carbon-carbon, metal-metal

Paris-Sud XI, Université de

171

Acoustic horn reflectance: Equations and measurements  

Science Journals Connector (OSTI)

Reflectance is the transfer function between forward and reflected components of pressure waves that propagate in wave guides such as acoustic horns. Exact solutions to Webster's Horn Equation are only known for a few specific shapes including parabolic conical and exponential. Explicit equations for reflectance in these three horn shapes were recently published for infinite-length horns. Measured reflectance in 3D-printed finite-length examples of these horn shapes show no similarity in the frequency-domain to exact reflectance for infinite-length horns. The similarity improves after adjustments to both the equations and the measurements. New equations were derived for exact reflectance of finite-length horns. Measured reflectance was smoothed by time-domain windowing. In contrast to frequency-domain reflectance comparisons of time-domain reflectance prior to the time sound reaches the end of the horn were not much affected by these adjustments. Because exact equations are known and 3D-printed examples are easy to obtain these three horn shapes may be useful as standards for comparing different reflectance-measurement systems.

2014-01-01T23:59:59.000Z

172

Thermonuclear Reflect AB-Reactor  

E-Print Network [OSTI]

The author offers a new kind of thermonuclear reflect reactor. The remarkable feature of this new reactor is a three net AB reflector, which confines the high temperature plasma. The plasma loses part of its energy when it contacts with the net but this loss can be compensated by an additional permanent plasma heating. When the plasma is rarefied (has a small density), the heat flow to the AB reflector is not large and the temperature in the triple reflector net is lower than 2000 - 3000 K. This offered AB-reactor has significantly less power then the currently contemplated power reactors with magnetic or inertial confinement (hundreds-thousands of kW, not millions of kW). But it is enough for many vehicles and ships and particularly valuable for tunnelers, subs and space apparatus, where air to burn chemical fuel is at a premium or simply not available. The author has made a number of innovations in this reactor, researched its theory, developed methods of computation, made a sample computation of typical project. The main point of preference for the offered reactor is its likely cheapness as a power source. Key words: Micro-thermonuclear reactor, Multi-reflex AB-thermonuclear reactor, Self-magnetic AB-thermonuclear reactor, aerospace thermonuclear engine.

Alexander Bolonkin

2008-03-26T23:59:59.000Z

173

Current Size and Remaining Market Potential of the U.S. Energy Service Company Industry  

Broader source: Energy.gov [DOE]

The study analyzes the size, growth and trends in the U.S. energy service company (ESCO) industry, drawing on information provided by industry executives and experts in 2012. The report also provides a preliminary estimate of remaining investment potential and annual blended energy savings in buildings typically addressed by ESCOs–companies for whom performance-based contracting is a core business activity. The study provides figures broken out by specific markets, including state/local, K-12 schools, universities/colleges, health/hospitals. Author: Stuart, Elizabeth, Peter H. Larsen, Charles A. Goldman, and Donald Gilligan

174

Petrophysical Analysis and Geographic Information System for San Juan Basin Tight Gas Reservoirs  

SciTech Connect (OSTI)

The primary goal of this project is to increase the availability and ease of access to critical data on the Mesaverde and Dakota tight gas reservoirs of the San Juan Basin. Secondary goals include tuning well log interpretations through integration of core, water chemistry and production analysis data to help identify bypassed pay zones; increased knowledge of permeability ratios and how they affect well drainage and thus infill drilling plans; improved time-depth correlations through regional mapping of sonic logs; and improved understanding of the variability of formation waters within the basin through spatial analysis of water chemistry data. The project will collect, integrate, and analyze a variety of petrophysical and well data concerning the Mesaverde and Dakota reservoirs of the San Juan Basin, with particular emphasis on data available in the areas defined as tight gas areas for purpose of FERC. A relational, geo-referenced database (a geographic information system, or GIS) will be created to archive this data. The information will be analyzed using neural networks, kriging, and other statistical interpolation/extrapolation techniques to fine-tune regional well log interpretations, improve pay zone recognition from old logs or cased-hole logs, determine permeability ratios, and also to analyze water chemistries and compatibilities within the study area. This single-phase project will be accomplished through four major tasks: Data Collection, Data Integration, Data Analysis, and User Interface Design. Data will be extracted from existing databases as well as paper records, then cleaned and integrated into a single GIS database. Once the data warehouse is built, several methods of data analysis will be used both to improve pay zone recognition in single wells, and to extrapolate a variety of petrophysical properties on a regional basis. A user interface will provide tools to make the data and results of the study accessible and useful. The final deliverable for this project will be a web-based GIS providing data, interpretations, and user tools that will be accessible to anyone with Internet access. During this project, the following work has been performed: (1) Assimilation of most special core analysis data into a GIS database; (2) Inventorying of additional data, such as log images or LAS files that may exist for this area; (3) Analysis of geographic distribution of that data to pinpoint regional gaps in coverage; (4) Assessment of the data within both public and proprietary data sets to begin tuning of regional well logging analyses and improve payzone recognition; (5) Development of an integrated web and GIS interface for all the information collected in this effort, including data from northwest New Mexico; (6) Acquisition and digitization of logs to create LAS files for a subset of the wells in the special core analysis data set; and (7) Petrophysical analysis of the final set of well logs.

Martha Cather; Robert Lee; Robert Balch; Tom Engler; Roger Ruan; Shaojie Ma

2008-10-01T23:59:59.000Z

175

Photovoltaic module with light reflecting backskin  

DOE Patents [OSTI]

A photovoltaic module comprises electrically interconnected and mutually spaced photovoltaic cells that are encapsulated by a light-transmitting encapsulant between a light-transparent front cover and a back cover, with the back cover sheet being an ionomer/nylon alloy embossed with V-shaped grooves running in at least two directions and coated with a light reflecting medium so as to provide light-reflecting facets that are aligned with the spaces between adjacent cells and oriented so as to reflect light falling in those spaces back toward said transparent front cover for further internal reflection onto the solar cells, whereby substantially all of the reflected light will be internally reflected from said cover sheet back to the photovoltaic cells, thereby increasing the current output of the module. The internal reflector improves power output by as much as 67%.

Gonsiorawski, Ronald C. (Danvers, MA)

2007-07-03T23:59:59.000Z

176

Renovation and remaining life management techniques for the reliable operation of steam turbine valve casings  

SciTech Connect (OSTI)

Much attention has been focused on the renovation and remaining life management of steam turbine casings. Properly engineered casing repairs, design upgrades, and strategies such as thermal stress monitoring/control, have been successfully employed to keep older steam turbine casings operating reliably until projected plant decommissioning dates. These proven solutions have resulted in a much lower cost alternative to turbine casing replacement. Valve casings are also subject to the rigors of high pressure/temperature operating environments and have a significant replacement cost as well. The same techniques employed to renovate turbine casings can also be successfully applied to valve casings to ensure their reliable operation for the projected plant life. Of particular interest are design upgrades which can be introduced during the renovation. Advances in computer modeling and techniques such as Finite Element analysis have provided engineers with tools not available during the original casing design. This provides an opportunity to not only restore the casings to their original design, but to re-engineer the casings to exceed original design parameters. This paper will cover the engineering analysis of valve casing defects, restoration techniques, and design upgrades. Thermal stress monitoring will be introduced as a technique to manage remaining life. Typical failure modes in various valve casing designs as well as design improvements will be stressed. It will also use case studies to demonstrate the economic and technical advantages of valve and turbine casing renovation.

Rasmussen, D.M.; Otterlee, T.J. [Turbine Consultants, Inc., Milwaukee, WI (United States)

1994-12-31T23:59:59.000Z

177

Current Understanding and Remaining Challenges in Modeling Long-Term Degradation of Borosilicate Nuclear Waste Glasses  

SciTech Connect (OSTI)

Chemical durability is not a single material property that can be uniquely measured. Instead it is the response to a host of coupled material and environmental processes whose rates are estimated by a combination of theory, experiment, and modeling. High-level nuclear waste (HLW) glass is perhaps the most studied of any material yet there remain significant technical gaps regarding their chemical durability. The phenomena affecting the long-term performance of HLW glasses in their disposal environment include surface reactions, transport properties to and from the reacting glass surface, and ion exchange between the solid glass and the surrounding solution and alteration products. The rates of these processes are strongly influenced and are coupled through the solution chemistry, which is in turn influenced by the reacting glass and also by reaction with the near-field materials and precipitation of alteration products. Therefore, those processes must be understood sufficiently well to estimate or bound the performance of HLW glass in its disposal environment over geologic time-scales. This article summarizes the current state of understanding of surface reactions, transport properties, and ion exchange along with the near-field materials and alteration products influences on solution chemistry and glass reaction rates. Also summarized are the remaining technical gaps along with recommended approaches to fill those technical gaps.

Vienna, John D. [Pacific Northwest National Laboratory (PNNL), Richland, WA (United States); Ryan, Joseph V. [Pacific Northwest National Laboratory (PNNL), Richland, WA (United States); Gin, Stephane [CEA Marcoule, DTCD SECM, Bagnols-sur-Ceze (France); Inagaki, Yaohiro [Dept. of Applied Quantum Physics and Nuclear Engineering, Kyushu University, Fukuoda (Japan)

2013-12-05T23:59:59.000Z

178

Reflection Spectra from Photoionized Accretion Discs  

E-Print Network [OSTI]

We review recent progress on the modeling and use of reflection spectra from irradiated and ionized accretion discs. On the computational side, calculations of reflection spectra from discs with non-uniform density structure have shown that thermal instabilities can effect the predictions. Ionized reflection spectra have been used effectively in fitting data of Narrow-Line Seyfert 1 galaxies, and have placed constraints on the strength and shape of soft X-ray emission lines.

D. R. Ballantyne; R. R. Ross; A. C. Fabian

2002-04-16T23:59:59.000Z

179

Reflectivity in shock wave fronts of xenon  

Science Journals Connector (OSTI)

New results for the reflection coefficient of shock-compressed dense xenon plasmas at pressures of 1.6–20 GPa and temperatures around 30?000 K are interpreted. Reflectivities typical of metallic systems are found at high densities. A consistent description of the measured reflectivities is achieved if a finite width of the shock wave front is considered. Several mechanisms to give a microscopic explanation for a finite extension of the shock front are discussed.

T Raitza; H Reinholz; G Röpke; V Mintsev; A Wierling

2006-01-01T23:59:59.000Z

180

Plasma Wave Reflection in Slowly Varying Media  

Science Journals Connector (OSTI)

Two mathematical formalisms are presented to describe wave reflection in a slowly varying spatially inhomogeneous thermal plasma described by the Vlasov equation. It is found that the transmitted wave which is the Wentzel?Kramer?Brillouin solution and the reflected wave can be expressed in terms of the local dielectric properties of the medium. In a numerical example it is shown that the intrinsic thermal properties of the plasma can supply reflection mechanisms that compete with the reflection coefficient predicted when the plasma is described by fluid equations.

H. L. Berk; C. W. Horton; M. N. Rosenbluth; R. N. Sudan

1967-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Travel Notes and Reflections from the Netherlands  

E-Print Network [OSTI]

and Reflections from the Netherlands by Jennifer Lynne Mustopopulated, country of the Netherlands. The express purposeficking Work in the Netherlands. ” The project explores

Lynne Musto, Jennifer

2009-01-01T23:59:59.000Z

182

Phenomenological description of bidirectional surface reflection  

E-Print Network [OSTI]

Phenomenological description of bidirectional surface reflection Jan J. Koenderink and Andrea J satellites). In some cases one has (usually approximate, phenomenological) models, but in most cases one

O'Brien, James F.

183

Energy dependence of the optical potential of weakly and tightly bound nuclei as projectiles on a medium-mass target  

SciTech Connect (OSTI)

Angular distributions for the elastic scattering of the weakly bound {sup 6,7}Li+{sup 144}Sm systems were measured with high accuracy at bombarding energies from 85% up to 170% of the Coulomb barrier. An optical model analysis was performed, and the relevant parameters of the real and imaginary parts of the optical potential were extracted. The results are compared with those previously published for the tightly bound {sup 12}C+{sup 144}Sm and {sup 16}O+{sup 144}Sm systems. The usual threshold anomaly observed in the behavior of the potential of tightly bound systems was not observed for either weakly bound system. This absence is attributed to the repulsion due to breakup coupling which cancels the attraction arising from couplings with bound channels.

Figueira, J. M.; Arazi, A.; Carnelli, P.; Heimann, D. Martinez; Negri, A. E.; Pacheco, A. J. [Laboratorio Tandar, Comision Nacional de Energia Atomica, B1650KNA San Martin, Buenos Aires (Argentina); Consejo Nacional de Investigaciones Cientificas y Tecnicas, C1033AAJ Ciudad de Buenos Aires (Argentina); Niello, J. O. Fernandez [Laboratorio Tandar, Comision Nacional de Energia Atomica, B1650KNA San Martin, Buenos Aires (Argentina); Consejo Nacional de Investigaciones Cientificas y Tecnicas, C1033AAJ Ciudad de Buenos Aires (Argentina); Escuela de Ciencia y Tecnologia, Universidad de San Martin, B1650BWA San Martin, Buenos Aires (Argentina); Capurro, O. A.; Fimiani, L.; Marti, G. V. [Laboratorio Tandar, Comision Nacional de Energia Atomica, B1650KNA San Martin, Buenos Aires (Argentina); Lubian, J.; Monteiro, D. S.; Gomes, P. R. S. [Instituto de Fisica, Universidade Federal Fluminense, Gragoata, Niteroi, R. J., 24210-340 (Brazil)

2010-02-15T23:59:59.000Z

184

A National Forum on Demand Response: Results on What Remains to Be Done to  

Broader source: Energy.gov (indexed) [DOE]

Cost-Effectiveness Working Group Cost-Effectiveness Working Group A National Forum on Demand Response: Results on What Remains to Be Done to Achieve Its Potential - Cost-Effectiveness Working Group In July 2011, the Federal Energy Regulatory Commission's (FERC) staff and the Department of Energy (DOE) jointly submitted to Congress a required "Implementation Proposal for the National Action Plan on Demand Response." The Implementation Proposal was for FERC's June 2010 National Action Plan for Demand Response. Part of the July 2011 Implementation Proposal called for a "National Forum" on demand response to be conducted by DOE and FERC. Given the rapid development of the demand response industry, DOE and FERC decided that a "virtual" project, in which state officials, industry

185

A National Forum on Demand Response: Results on What Remains to Be Done to  

Broader source: Energy.gov (indexed) [DOE]

Measurement and Verification Working Group Measurement and Verification Working Group A National Forum on Demand Response: Results on What Remains to Be Done to Achieve Its Potential - Measurement and Verification Working Group In July 2011, the Federal Energy Regulatory Commission's (FERC) staff and the Department of Energy (DOE) jointly submitted to Congress a required "Implementation Proposal for the National Action Plan on Demand Response." The Implementation Proposal was for FERC's June 2010 National Action Plan for Demand Response. Part of the July 2011 Implementation Proposal called for a "National Forum" on demand response to be conducted by DOE and FERC. Given the rapid development of the demand response industry, DOE and FERC decided that a "virtual" project, in which state officials, industry

186

Remaining Life Related Issues Being Pursued at DRDO for Indian Air Force  

Science Journals Connector (OSTI)

Abstract Hot section components of an aircraft gas turbine engine are critical to the performance and safety during the operation of military aircraft, where the service spectra are highly random and relatively severe in terms of the loading rates. DMRL, in collaboration with Indian Air Force (IAF), has initiated a project for the estimation of remaining life as well as life extension of military aeroengines of various origins. This is based on extensive laboratory specimen-level material characterization in terms of fatigue and creep, followed by the scale-up of experimental results to actual component. Finite Element Analysis (FEA) is an indispensable engineering tool for evaluation of the mechanical variables that determine crack initiation and growth, apart from material degradation prior to physical failure. DMRL's understanding and experience with FEA applications and damage mechanics concepts in these areas are briefly discussed in this paper.

Vikas Kumar

2013-01-01T23:59:59.000Z

187

RHIC BEAM ABORT KICKER POWER SUPPLY SYSTEM COMMISSIONING EXPERIENCE AND REMAINING ISSUES.  

SciTech Connect (OSTI)

The RHIC Beam Abort Kicker Power Supply Systems commissioning experience and the remaining issues will be reported in this paper. The RHIC Blue Ring Beam Abort Kicker Power Supply System initial commissioning took place in June 1999. Its identical system in Yellow Ring was brought on line during Spring 2000. Each of the RHIC Beam Abort Kicker Power Supply Systems consists of five high voltage modulators and subsystems. These systems are critical devices for RHIC machine protection and environmental protection. They are required to be effective, reliable and operating with sufficient redundancy to safely abort the beam to its beam dump at the end of accumulation or at any time when they are commanded. To deflect 66 GeV ion beam to the beam absorbers, the RHIC Beam Abort Kicker Power Supply Systems were operated at 22 kV level. The RHIC 2000 commissioning run was very successful.

ZHANG,W.; AHRENS,L.A.; MI,J.; OERTER,B.; SANDERS,R.; SANDBERG,J.

2001-06-18T23:59:59.000Z

188

Use of high-temperature gas-tight electrochemical cells to measure electronic transport and thermodynamics in metal oxides  

SciTech Connect (OSTI)

By using a gas-tight electrochemical cell, the authors can perform high-temperature coulometric titration and measure electronic transport properties to determine the electronic defect structure of metal oxides. This technique reduces the time and expense required for conventional thermogravimetric measurements. The components of the gas-tight coulometric titration cell are an oxygen sensor, Pt/yttria stabilized zirconia (YSZ)/Pt, and an encapsulated metal oxide sample. Based on cell design, both transport and thermodynamic measurements can be performed over a wide range of oxygen partial pressures (pO{sub 2} = 10{sup {minus}35} to 1 atm). This paper describes the high-temperature gas-tight electrochemical cells used to determine electronic defect structures and transport properties for pure and doped-oxide systems, such as YSZ, doped and pure ceria (Ca-CeO{sub 2} and CeO{sub 2}), copper oxides, and copper-oxide-based ceramic superconductors, transition metal oxides, SrFeCo{sub 0.5}O{sub x}, and BaTiO{sub 3}.

Park, J.H.; Ma, B.; Park, E.T. [Argonne National Lab., IL (United States). Energy Technology Div.

1997-10-01T23:59:59.000Z

189

Identification coding schemes for modulated reflectance systems  

DOE Patents [OSTI]

An identifying coding apparatus employing modulated reflectance technology involving a base station emitting a RF signal, with a tag, located remotely from the base station, and containing at least one antenna and predetermined other passive circuit components, receiving the RF signal and reflecting back to the base station a modulated signal indicative of characteristics related to the tag.

Coates, Don M. (Santa Fe, NM); Briles, Scott D. (Los Alamos, NM); Neagley, Daniel L. (Albuquerque, NM); Platts, David (Santa Fe, NM); Clark, David D. (Santa Fe, NM)

2006-08-22T23:59:59.000Z

190

Linear efficient antialiased displacement and reflectance mapping  

Science Journals Connector (OSTI)

We present Linear Efficient Antialiased Displacement and Reflectance (LEADR) mapping, a reflectance filtering technique for displacement mapped surfaces. Similarly to LEAN mapping, it employs two mipmapped texture maps, which store the first two moments ... Keywords: BRDF, GPU, LEAN mapping, filtering, microfacet

Jonathan Dupuy; Eric Heitz; Jean-Claude Iehl; Pierre Poulin; Fabrice Neyret; Victor Ostromoukhov

2013-11-01T23:59:59.000Z

191

GREEN FUNCTIONS ASSOCIATED TO COMPLEX REFLECTION GROUPS  

E-Print Network [OSTI]

GREEN FUNCTIONS ASSOCIATED TO COMPLEX REFLECTION GROUPS TOSHIAKI SHOJI Department of Mathematics Science University of Tokyo Noda, Chiba 278­8510, Japan Abstract. Green functions of classical groups this, we define Green functions associated to complex reflection groups G(e, 1, n), and study

Shoj, Toshiaki

192

Neutron measurements of the fuel remaining in the TMI II once-through steam generators (OTSG'S)  

SciTech Connect (OSTI)

Polypropylene tubes containing a string of 18 copper rods were inserted into the lower head region and each J-leg of the two once-through steam generators (OTSG) of the unit two reactor at Three Mile Island. The object was to measure the neutron flux present in those regions and estimate the amount of residual fuel remaining in each OTSG. The neutron flux from any residual fuel induces a radioisotope, /sup 64/Cu, in the copper coupons. The /sup 64/Cu activity is detected by coincidence counting the two 511-keV gamma rays produced by the annihilation of the positron emitted in the decay of /sup 64/Cu. The copper coupons were placed between two 6-inch diameter, 6-inch long NaI(Tl) crystals and the electronics produced a coincidence count whenever the two gamma rays were uniquely detected. The net coincidence count is proportional to the amount of /sup 64/Cu activity in the coupon. This document discusses calculation methods, statistical methods, and results of this research. 3 figs., 30 tabs.

Geelhood, B.D.; Abel, K.H.

1989-02-01T23:59:59.000Z

193

Photovoltaic converter having apertured reflective enclosure  

SciTech Connect (OSTI)

This patent describes a photovoltaic converter. It comprises: a photovoltaic cell having an incident face upon which light is directed to cause photogeneration; an enclosure over the incident face, the wall of the enclosure having a reflective inner surface spaced apart from the incident face to permit light reflected from the incident face to be re-reflected by the inner surface and back to the photovoltaic cell; and an aperture through the wall of the enclosure to permit light to fall directly upon the voltaic cell. The ratio of the area of the aperture to the are of the incident face of the photovoltaic cell is less than about 0.2.

Sinton, R.A.; Swanson, R.M.

1990-10-02T23:59:59.000Z

194

Quality Assurance of Radiation Therapy Planning Systems: Current Status and Remaining Challenges  

SciTech Connect (OSTI)

Computerized radiation therapy planning systems (RTPSs) are pivotal for treatment planning. The acceptance, commissioning, and quality control of RTPSs are uniquely complex and are described in the American Association of Physicists in Medicine Task Group Report 53 (1998) and International Atomic Energy Agency Technical Report Series No. 430 (2004). The International Atomic Energy Agency also developed a document and data package for use by vendors and purchasers to aid with acceptance testing of RTPSs. This document is based on International Electrotechnical Commission standard 62083 (2000) and describes both 'type' tests to be performed in the factory and 'site' tests to be performed in the clinic. The American Association of Physicists Task Group Report 67 described benchmark tests for the validation of dose calculation algorithms. Test data are being produced with the backing of the U.S. National Cancer Institute. However, significant challenges remain. Technology keeps evolving rapidly, thus requiring new quality assurance (QA) procedures. Intensity-modulated radiation therapy with its use of inverse optimization has added a new dimension to QA, because the results are not intuitively obvious. New technologies such as real-time ultrasound guidance for brachytherapy, TomoTherapy, and Cyberknife, require their own specialized RTPSs with unique QA requirements. On-line imaging allows for the generation of dose reconstructions using image warping techniques to determine the daily dose delivered to the patient. With increasing computer speeds, real-time reoptimization of treatment plans will become a reality. Gating technologies will require four-dimensional dose calculations to determine the actual dose delivered to tissue voxels. With these rapidly changing technologies, it is essential that a strong QA culture is invoked in every institution implementing these procedures and that new protocols are developed as a part of the clinical implementation process.

Van Dyk, Jacob [Department of Physics and Engineering, London Regional Cancer Program/London Health Sciences Centre, London, ON (Canada); Departments of Oncology, Medical Biophysics, Diagnostic Imaging and Nuclear Medicine, and Physics and Astronomy, University of Western Ontario, London, ON (Canada)], E-mail: jake.vandyk@lhsc.on.ca

2008-05-01T23:59:59.000Z

195

A proliferation resistant hexagonal tight lattice BWR fueled core for increased burnup and reduced fuel storage requirements. Annual progress report: August, 1999 to July, 2000 [DOE NERI  

SciTech Connect (OSTI)

(OAK/B204) A proliferation resistant hexagonal tight lattice BWR fueled core for increased burnup and reduced fuel storage requirements. Annual progress report: August, 1999 to July, 2000 [DOE NERI

Hiroshi Takahashi; Upendra Rohatgi; T.J. Downar

2000-08-04T23:59:59.000Z

196

MACDONALD FUNCTIONS ASSOCIATED TO COMPLEX REFLECTION GROUPS  

E-Print Network [OSTI]

MACDONALD FUNCTIONS ASSOCIATED TO COMPLEX REFLECTION GROUPS. A generalization of Macdonald o* *perators is also constructed, and we characterize such functions by making use of * *Macdonald operators, assuming a certain conjecture

Shoj, Toshiaki

197

MACDONALD FUNCTIONS ASSOCIATED TO COMPLEX REFLECTION GROUPS  

E-Print Network [OSTI]

MACDONALD FUNCTIONS ASSOCIATED TO COMPLEX REFLECTION GROUPS TOSHIAKI SHOJI Department version of the above Hall-Littlewood functions, as a generalization of Macdonald functions associated to symmetric groups. A generalization of Macdonald operators is also constructed, and we characterize

Shoj, Toshiaki

198

New dean reflects on Gator Engineering  

E-Print Network [OSTI]

UF Voices New dean reflects on Gator Engineering No engineer is an island. The most suc- cessful questions facing society. It's an exciting time to be a new dean of engineering -- especially Gator

Pilyugin, Sergei S.

199

Lensless X-Ray Imaging in Reflection  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

X-Ray Imaging in Reflection Print The advent of x-ray free-electron laser (XFEL) light sources has led to an outburst of research activities in the field of lensless imaging. XFELs...

200

Lensless X-Ray Imaging in Reflection  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

X-Ray Imaging in Reflection Print Wednesday, 26 October 2011 00:00 The advent of x-ray free-electron laser (XFEL) light sources has led to an outburst of research activities...

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

Determining Remaining Useful Life of Aging Cables in Nuclear Power Plants – Interim Study FY13  

SciTech Connect (OSTI)

The most important criterion for cable performance is its ability to withstand a design-basis accident. With nearly 1000 km of power, control, instrumentation, and other cables typically found in an NPP, it would be a significant undertaking to inspect all of the cables. Degradation of the cable jacket, electrical insulation, and other cable components is a key issue that is likely to affect the ability of the currently installed cables to operate safely and reliably for another 20 to 40 years beyond the initial operating life. The development of one or more nondestructive evaluation (NDE) techniques and supporting models that could assist in determining the remaining life expectancy of cables or their current degradation state would be of significant interest. The ability to nondestructively determine material and electrical properties of cable jackets and insulation without disturbing the cables or connections has been deemed essential. Currently, the only technique accepted by industry to measure cable elasticity (the gold standard for determining cable insulation degradation) is the indentation measurement. All other NDE techniques are used to find flaws in the cable and do not provide information to determine the current health or life expectancy. There is no single NDE technique that can satisfy all of the requirements needed for making a life-expectancy determination, but a wide range of methods have been evaluated for use in NPPs as part of a continuous evaluation program. The commonly used methods are indentation and visual inspection, but these are only suitable for easily accessible cables. Several NDE methodologies using electrical techniques are in use today for flaw detection but there are none that can predict the life of a cable. There are, however, several physical and chemical ptoperty changes in cable insulation as a result of thermal and radiation damage. In principle, these properties may be targets for advanced NDE methods to provide early warning of aging and degradation. Examples of such key indicators include changes in chemical structure, mechanical modulus, and dielectric permittivity. While some of these indicators are the basis of currently used technologies, there is a need to increase the volume of cable that may be inspected with a single measurement, and if possible, to develop techniques for in-situ inspection (i.e., while the cable is in operation). This is the focus of the present report.

Simmons, Kevin L.; Fifield, Leonard S.; Westman, Matthew P.; Ramuhalli, Pradeep; Pardini, Allan F.; Tedeschi, Jonathan R.; Jones, Anthony M.

2013-09-27T23:59:59.000Z

202

Reflective masks for extreme ultraviolet lithography  

SciTech Connect (OSTI)

Extreme ultraviolet lithographic masks are made by patterning multilayer reflective coatings with high normal incidence reflectivity. Masks can be patterned by depositing a patterned absorber layer above the coating or by etching the pattern directly into the coating itself. Electromagnetic simulations showed that absorber-overlayer masks have superior imaging characteristics over etched masks (less sensitive to incident angles and pattern profiles). In an EUVL absorber overlayer mask, defects can occur in the mask substrate, reflective coating, and absorber pattern. Electromagnetic simulations showed that substrate defects cause the most severe image degradation. A printability study of substrate defects for absorber overlayer masks showed that printability of 25 nm high substrate defects are comparable to defects in optical lithography. Simulations also indicated that the manner in which the defects are covered by multilayer reflective coatings can affect printability. Coverage profiles that result in large lateral spreading of defect geometries amplify the printability of the defects by increasing their effective sizes. Coverage profiles of Mo/Si coatings deposited above defects were studied by atomic force microscopy and TEM. Results showed that lateral spread of defect geometry is proportional to height. Undercut at defect also increases the lateral spread. Reductions in defect heights were observed for 0.15 {mu}m wide defect lines. A long-term study of Mo/Si coating reflectivity revealed that Mo/Si coatings with Mo as the top layer suffer significant reductions in reflectivity over time due to oxidation.

Nguyen, Khanh Bao

1994-05-01T23:59:59.000Z

203

Reflection Survey (Majer, 2003) | Open Energy Information  

Open Energy Info (EERE)

Reflection Survey (Majer, 2003) Reflection Survey (Majer, 2003) Exploration Activity Details Location Unspecified Exploration Technique Reflection Survey Activity Date Usefulness not indicated DOE-funding Unknown Notes The goal of this work is to evaluate the most promising methods and approaches that may be used for improved geothermal exploration and reservoir assessment. It is not a comprehensive review of all seismic methods used to date in geothermal environments. This work was motivated by a need to assess current and developing seismic technology that if applied in geothermal cases may greatly improve the chances for locating new geothermal resources and/or improve assessment of current ones. References E. L. Majer (2003) 3-D Seismic Methods For Geothermal Reservoir Exploration And Assessment-Summary

204

X-ray induced optical reflectivity  

DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

The change in optical reflectivity induced by intense x-ray pulses can now be used to study ultrafast many body responses in solids in the femtosecond time domain. X-ray absorption creates photoelectrons and core level holes subsequently filled by Auger or fluorescence processes, and these excitations ultimately add conduction and valence band carriers that perturb optical reflectivity.Optical absorption associated with band filling and band gap narrowing is shown to explain the basic features found in recent measurements on an insulator (silicon nitride, Si3N4), a semiconductor(gallium arsenide,GaAs), and a metal (gold,Au), obtained with ?100 fs x-ray pulses at 500-2000 eV and probed with 800 nm laser pulses. In particular GaAs exhibits an abrupt drop in reflectivity, persisting only for a time comparable to the x-ray excitation pulse duration, consistent with prompt band gap narrowing.

Durbin, Stephen M.

2012-01-01T23:59:59.000Z

205

Pigments which reflect infrared radiation from fire  

DOE Patents [OSTI]

Conventional paints transmit or absorb most of the intense infrared (IR) radiation emitted by fire, causing them to contribute to the spread of fire. The present invention comprises a fire retardant paint additive that reflects the thermal IR radiation emitted by fire in the 1 to 20 micrometer (.mu.m) wavelength range. The important spectral ranges for fire control are typically about 1 to about 8 .mu.m or, for cool smoky fires, about 2 .mu.m to about 16 .mu.m. The improved inventive coatings reflect adverse electromagnetic energy and slow the spread of fire. Specific IR reflective pigments include titanium dioxide (rutile) and red iron oxide pigments with diameters of about 1 .mu.m to about 2 .mu.m and thin leafing aluminum flake pigments.

Berdahl, Paul H. (Oakland, CA)

1998-01-01T23:59:59.000Z

206

Method of making reflecting film reflector  

DOE Patents [OSTI]

A reflector of the reflecting film type is disclosed and which may be used in a heliostatic system for concentrating solar energy and comprising a reflecting film bonded to an appropriate rigid substrate in such a way that specularity of a very high order is achieved. A method of bonding the reflecting film to the substrate is also disclosed and comprises the steps of initially adhering the film to a smooth, clean flat rigid surface with a non-bonding liquid between the rigid surface and film, and then bonding the substrate and film. The non-bonding liquid has a molecular adhesion greater than any stresses due to handling or curing of the bonding agent which is applied between the film and the opposing surface of the rigid substrate.

Cottingham, James G. (Center Moriches, NY)

1980-01-01T23:59:59.000Z

207

Pigments which reflect infrared radiation from fire  

DOE Patents [OSTI]

Conventional paints transmit or absorb most of the intense infrared (IR) radiation emitted by fire, causing them to contribute to the spread of fire. The present invention comprises a fire retardant paint additive that reflects the thermal IR radiation emitted by fire in the 1 to 20 micrometer ({micro}m) wavelength range. The important spectral ranges for fire control are typically about 1 to about 8 {micro}m or, for cool smoky fires, about 2 {micro}m to about 16 {micro}m. The improved inventive coatings reflect adverse electromagnetic energy and slow the spread of fire. Specific IR reflective pigments include titanium dioxide (rutile) and red iron oxide pigments with diameters of about 1 {micro}m to about 2 {micro}m and thin leafing aluminum flake pigments. 4 figs.

Berdahl, P.H.

1998-09-22T23:59:59.000Z

208

Medical Examiner/Coroner on the Handling of a Body/Human Remains that are Potentially Radiologically Contaminated  

Broader source: Energy.gov [DOE]

The purpose of this Model Procedure is to identify precautions and provide guidance to Medical Examiners/Coroners on the handling of a body or human remains that are potentially contaminated with...

209

An Attribute Analysis of Looted Skeletal Remains from the Site of Panquilma in the Lurin Valley of Peru  

E-Print Network [OSTI]

AN ATTRIBUTE ANALYSIS OF LOOTED SKELETAL REMAINS FROM THE SITE OF PANQUILMA IN THE LURIN VALLEY OF PERU An Undergraduate Research Scholars Thesis by COURTNEY VAN GEMERT Submitted to Honors and Undergraduate Research Texas A... ............................................................................................................................... 24 Skeletal Inventory ............................................................................................................. 24 MNI...

Van Gemert, Courtney

2013-09-28T23:59:59.000Z

210

Reflection Survey (Laney, 2005) | Open Energy Information  

Open Energy Info (EERE)

Laney, 2005) Laney, 2005) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Reflection Survey (Laney, 2005) Exploration Activity Details Location Unspecified Exploration Technique Reflection Survey Activity Date Usefulness useful DOE-funding Unknown Notes Seismic Imaging, Majer, Gritto and Daley. The project objective includes the development and application of active seismic methods for improved understanding of the subsurface structure, faults, fractures lithology, and fluid paths in geothermal reservoirs. While the objective of the work previous to FY2003 was concerned with the detection and location of faults and fractures based on an existing 3-D seismic data set collected at the Rye Patch geothermal reservoir, the current work was aimed at investigating

211

Emergence of exponentially small reflected waves  

E-Print Network [OSTI]

We study the time-dependent scattering of a quantum mechanical wave packet at a barrier for energies larger than the barrier height, in the semi-classical regime. More precisely, we are interested in the leading order of the exponentially small scattered part of the wave packet in the semiclassical parameter when the energy density of the incident wave is sharply peaked around some value. We prove that this reflected part has, to leading order, a Gaussian shape centered on the classical trajectory for all times soon after its birth time. We give explicit formulas and rigorous error bounds for the reflected wave for all of these times.

Volker Betz; Alain Joye; Stefan Teufel

2008-04-23T23:59:59.000Z

212

Reflections on layers of the ionosphere, reflections on ionised meteorite trails,  

E-Print Network [OSTI]

. 1.0 Theoretical point of view 1.1 Is a flash of lightning able to reflect radio waves? Any ionised a reflection of VHF or UHF radio waves. A lightning flash ionised channel can be several kilometres long [6 from a flash of lightning? A CC or a CG lightning flash is com- posed of several phases

Boyer, Edmond

213

Analysis of Seven NEPTUN-III (Tight-Lattice) Bottom-Flooding Experiments with RELAP5/MOD3.3/BETA  

SciTech Connect (OSTI)

Seven tight-lattice NEPTUN-III bottom-flooding experiments are analyzed by using the frozen version of RELAP5, RELAP5/MOD3.3/BETA. This work is part of the Paul Scherrer Institute (PSI) contribution to the High Performance Light Water Reactor (HPLWR) European Union project and aims at assessing the capabilities of the code to model the reflooding phenomena in a tight hexagonal lattice (which was one of the core geometries considered at the time for an HPLWR) following a hypothetical loss-of-coolant accident scenario. Even though the latest version of the code has as a default the new PSI reflood model developed by the author, which was tested and assessed against reflooding data obtained at standard light water reactor lattices, this work shows that for tight lattices, the code underpredicts the peak clad temperatures measured during a series of reflooding experiments performed at the NEPTUN-III tight-lattice heater rod bundle facility. The reasons for these differences are discussed, and the (possible) changes needed in the framework of RELAP5/MOD3.3 for improving the modeling of reflooding in tight lattices are investigated.

Analytis, G.Th. [Paul Scherrer Institute (Switzerland)

2004-05-15T23:59:59.000Z

214

Seismic inversion and attributes analysis for porosity evaluation of the tight gas sandstones of the Whicher Range field in the Perth Basin, Western Australia  

Science Journals Connector (OSTI)

Abstract A comprehensive understanding of porosity variations in tight gas sandstones plays an important role in reservoir management and provision of plans for developing of the field. This is especially important when we encounter with some degree of complexity in reservoir characteristics of these sandstones. Reservoir properties of tight gas sandstones of the Whicher Range field, the target reservoir of this study, were affected by internal reservoir heterogeneity mostly related to depositional and diagenetic features of the reservoir sandstones. In this study, 2D seismic data in combination with well log data were used for prediction of porosity based on seismic inversion technique and multi-attribute regression analysis. The results show that acoustic impedance from model based inversion is the main seismic attribute in reservoir characterization of tight sandstones of the field. Wide variations in this parameter can be effectively used to differentiate the reservoir sandstones based on their tightness degree. Investigation of porosity by this method resulted in 2D-view of porosity variations in sandstone reservoir which is in accordance with variations in geological characteristics of tight gas sandstones in the field. This view can be extended to a 3D-view in the framework of reservoir model to follow the variations throughout the field.

Rahim Kadkhodaie-Ilkhchi; Reza Moussavi-Harami; Reza Rezaee; Majid Nabi-Bidhendi; Ali Kadkhodaie-Ilkhchi

2014-01-01T23:59:59.000Z

215

Electrochromic window with high reflectivity modulation  

DOE Patents [OSTI]

A multi-layered, active, thin film, solid-state electrochromic device having a high reflectivity in the near infrared in a colored state, a high reflectivity and transmissivity modulation when switching between colored and bleached states, a low absorptivity in the near infrared, and fast switching times, and methods for its manufacture and switching are provided. In one embodiment, a multi-layered device comprising a first indium tin oxide transparent electronic conductor, a transparent ion blocking layer, a tungsten oxide electrochromic anode, a lithium ion conducting-electrically resistive electrolyte, a complimentary lithium mixed metal oxide electrochromic cathode, a transparent ohmic contact layer, a second indium oxide transparent electronic conductor, and a silicon nitride encapsulant is provided. Through elimination of optional intermediate layers, simplified device designs are provided as alternative embodiments. Typical colored-state reflectivity of the multi-layered device is greater than 50% in the near infrared, bleached-state reflectivity is less than 40% in the visible, bleached-state transmissivity is greater than 60% in the near infrared and greater than 40% in the visible, and spectral absorbance is less than 50% in the range from 0.65-2.5 .mu.m.

Goldner, Ronald B. (Lexington, MA); Gerouki, Alexandra (Medford, MA); Liu, Te-Yang (Arlington, MA); Goldner, Mark A. (Cambridge, MA); Haas, Terry E. (Southborough, MA)

2000-01-01T23:59:59.000Z

216

Land Surface Reflectance: A Possible Earth Science  

E-Print Network [OSTI]

are in magenta, water bodies are outlined in white. MODIS Surface Reflectance South Africa From: E. Vermote, UMD information ­ Viewing geometry (view and solar zenith and azimuth angles) ­ Geolocation (lat 15, 2005 - Wolfe - San Diego 5 Target Communities · Land earth science community ­ Energy Balance

217

Integrated seismic study of naturally fractured tight gas reservoirs. Technical progress report, January 1, 1994--March 31, 1994  

SciTech Connect (OSTI)

The study area is located at the southern end of the Powder River Basin in Converse County in east-central Wyoming. It is a low permeability fractured site, with both gas and oil present. Reservoirs are highly compartmentalized due to the low permeabilities, and fractures provide the only practical drainage paths for production. The two formations of interest are: The Niobrara, a fractured shale and limey shale to chalk, which is a reservoir rock, but also its own source rock; and the Frontier, a tight sandstone lying directly below the Niobrara, brought into contact with it by an unconformity. This was the tenth quarter of the contract. During this quarter the investigators (1) continued processing the seismic data, and (2) continued modeling some of the P-wave amplitude anomalies that we see in the data.

Mavko, G.; Nur, A.

1994-04-29T23:59:59.000Z

218

Integrated seismic study of naturally fractured tight gas reservoirs. Technical progress report, October 1, 1993--December 31, 1993  

SciTech Connect (OSTI)

This was the ninth quarter of the contract. During this quarter we (1) continued processing the seismic data, (2) collected additional logs to aid in the interpretation, and (3)began modeling some of the P-wave amplitude anomalies that we see in the data. The study area is located at the southern end of the powder river Basin in Converse county in east-central Wyoming. It is a low permeability fractured site, with both has and oil present. Reservoirs are highly compartmentalized due tot he low permeabilities, and fractures provide the only practical drainage paths for production. The two formations of interest are: The Niobrara; a fractured shale and limey shale to chalk, which is a reservoir rock, but also its own source rock. The Frontier, a tight sandstone lying directly below the Niobrara, brought into contract with it by an unconformity.

Mavko, G.; Nur, A.

1994-01-29T23:59:59.000Z

219

Catheter based mid-infrared reflectance and reflectance generated absorption spectroscopy  

DOE Patents [OSTI]

A method of characterizing conditions in a tissue, by (a) providing a catheter that has a light source that emits light in selected wavenumbers within the range of mid-IR spectrum; (b) directing the light from the catheter to an area of tissue at a location inside a blood vessel of a subject; (c) collecting light reflected from the location and generating a reflectance spectra; and (d) comparing the reflectance spectra to a reference spectra of normal tissue, whereby a location having an increased number of absorbance peaks at said selected wavenumbers indicates a tissue inside the blood vessel containing a physiological marker for atherosclerosis.

Holman, Hoi-Ying N

2013-10-29T23:59:59.000Z

220

Amartya Sen: Reflections on Theory in the Social Sciences  

E-Print Network [OSTI]

Amartya Sen: Reflections on Theory in the Social Scienceswelcomes Nobel Laureate Amartya Sen, Lamont University

Kreisler, Harry

2005-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

V-022: Attachmate Reflection Products Java Multiple Vulnerabilities |  

Broader source: Energy.gov (indexed) [DOE]

2: Attachmate Reflection Products Java Multiple Vulnerabilities 2: Attachmate Reflection Products Java Multiple Vulnerabilities V-022: Attachmate Reflection Products Java Multiple Vulnerabilities November 13, 2012 - 1:00am Addthis PROBLEM: Attachmate Reflection Products Java Multiple Vulnerabilities PLATFORM: Reflection X 2011 Reflection Suite for X 2011 Reflection for Secure IT Server for Windows Reflection for Secure IT Client and Server for UNIX ABSTRACT: Security issues related to Reflection PKI Services Manager REFERENCE LINKS: PKI Services Manager Technical Note 2560 Secunia Advisory SA51256 CVE-2012-0551 CVE-2012-1711 CVE-2012-1713 CVE-2012-1716 CVE-2012-1717 CVE-2012-1718 CVE-2012-1719 CVE-2012-1720 CVE-2012-1721 CVE-2012-1722 CVE-2012-1723 CVE-2012-1724 CVE-2012-1725 CVE-2012-1726 IMPACT ASSESSMENT: High DISCUSSION: Attachmate has acknowledged multiple vulnerabilities in some Reflection

222

GAO-07-1036, CRITICAL INFRASTRUCTURE PROTECTION: Multiple Efforts to Secure Control Systems Are Under Way, but Challenges Remain  

Broader source: Energy.gov (indexed) [DOE]

Congressional Requesters Congressional Requesters CRITICAL INFRASTRUCTURE PROTECTION Multiple Efforts to Secure Control Systems Are Under Way, but Challenges Remain September 2007 GAO-07-1036 What GAO Found United States Government Accountability Office Why GAO Did This Study Highlights Accountability Integrity Reliability September 2007 CRITICAL INFRASTRUCTURE PROTECTION Multiple Efforts to Secure Control Systems Are Under Way, but Challenges Remain Highlights of GAO-07-1036, a report to congressional requesters Control systems-computer-based systems that monitor and control sensitive processes and physical functions-perform vital functions in many of our nation's critical infrastructures, including electric power, oil and gas, water treatment, and chemical production. The disruption of

223

Remaining Sites Verification Package for 100-F-38 Stained Soil Site, Waste Site Reclassification Form 2004-093  

SciTech Connect (OSTI)

The 100-F-38 Stained Soil site was an area of yellow stained soil that was discoverd while excavating a trench for the placement of electrical conduit. The 100-F-38 Stained Soil site meets the remedial action objectives specified in the Remaining Sites ROD. The results of verification sampling show demonstrate that residual contaminant concentrations support future unrestricted land uses that can be represented by a rural-residential scenario. The results also show that residual contaminant concentrations do not preclude any future uses and allow for unrestricted use of shallow zone soils and the contaminant concentrations remaining in the soil are protective of groundwater and the Columbia River.

R. A. Carlson

2006-03-13T23:59:59.000Z

224

HIV-1 Tat protein alter the tight junction integrity and function of retinal pigment epithelium: an in vitro study  

Science Journals Connector (OSTI)

How HIV-1 enter into the eyes remains obscure. We postulated that HIV-1 Tat protein can alter the expression of specific ... the blood retinal barrier, and contributes to HIV trafficking into the eyes. This study...

Ling Bai; Zhenping Zhang; Hui Zhang; Xiumei Li; Qiurong Yu…

2008-06-01T23:59:59.000Z

225

U.S. Reflects World Market  

Gasoline and Diesel Fuel Update (EIA)

4 4 Notes: U.S. crude oil inventories reflect the world situation. U.S. inventories were drawn down in 1999 as world demand exceeded world supply of crude oil as OPEC cut back on production. Low crude oil inventories go hand in hand with low product inventories. Product inventories were also drawn down to help meet demand, as was seen with gasoline this Spring. The rise in crude oil inventories earlier this year, while indicating an improvement in the market balance, appears to be short-lived, just as we had predicted a few months ago. Looking at U.S. crude stock levels in April and May can be misleading, since increases then were more reflective of the surge in WTI and U.S. product prices in the 1st quarter. With U.S. crude oil stocks drawn down by more than 20 million barrels from

226

Reflection of Anatolian Culture in Poster Design  

Science Journals Connector (OSTI)

Abstract ‘Visual’ in ‘visual culture’ can be defined as “everything that is visual, functional, communicational and/or having aesthetic purpose produced, interpreted or formed by people” (Barnard, 2002; 34). Accordingly poster is not only a tool that transmits a message, information or that introduces or advertises a product but also a visual cultural element. Just like other visual cultural elements, poster as well is in interaction with the society. In this two way interaction while society's culture, political and social perceptions, level of education, aesthetic tastes influence the production process of the poster, the posters too influence and transform the society. Poster artists and designers are producing studies sometimes affected by the society that they are within, and also sometimes intentionally reflecting the culture of the society that they are addressing. In this context in this study, reflections of the Anatolian culture in poster designs will be examined with visual examples.

Banu ?nanç Uyan Dur

2014-01-01T23:59:59.000Z

227

Global cooling updates: Reflective roofs and pavements  

Science Journals Connector (OSTI)

With increasing the solar reflectance of urban surfaces, the outflow of short-wave solar radiation increases, less solar heat energy is absorbed leading to lower surface temperatures and reduced outflow of thermal radiation into the atmosphere. This process of “negative radiative forcing” effectively counters global warming. Cool roofs also reduce cooling-energy use in air conditioned buildings and increase comfort in unconditioned buildings; and cool roofs and cool pavements mitigate summer urban heat islands, improving outdoor air quality and comfort. Installing cool roofs and cool pavements in cities worldwide is a compelling win–win–win activity that can be undertaken immediately, outside of international negotiations to cap CO2 emissions. We review the status of cool roof and cool pavements technologies, policies, and programs in the U.S., Europe, and Asia. We propose an international campaign to use solar reflective materials when roofs and pavements are built or resurfaced in temperate and tropical regions.

Hashem Akbari; H. Damon Matthews

2012-01-01T23:59:59.000Z

228

Fr219, a transitional reflection asymmetric nucleus  

Science Journals Connector (OSTI)

Mass-separated sources of Ac223 (separated as AcF2+) were used to study the level structure of Fr219 following alpha decay. The levels in Fr219 are interpreted in terms of K=1/2±, 3/2±, and 5/2± parity doublet bands which have a natural theoretical explanation in terms of reflection asymmetric models. The 9/2- ground-state member of the K=1/2- band in Fr219 can be understood in terms of both reflection asymmetry and the collapse of the quadrupole-octupole Nilsson orbitals towards the h9/2 orbitals of spherical symmetry. Comparison of the K=1/2- ground-state bands in Fr219 and Fr221 reveals the details of this transformation. Theoretical analysis of the microscopic structure of several of the positive-parity bands indicates the presence of important Nilsson configurations arising from the shell below.

C. F. Liang; P. Paris; J. Kvasil; R. K. Sheline

1991-08-01T23:59:59.000Z

229

Reflections on Cambridge: Reflections on Isaac Newton, discovery and Cambridge - with apple tree  

E-Print Network [OSTI]

Reflections about the life and effects of Isaac Newton in Cambridge, filmed outside Trinity College, with the descendant of his apple tree behind (and the rooms where he lived and worked). Filmed by Xu Bei in 2009....

Macfarlane, Alan

230

Compact reflective imaging spectrometer utilizing immersed gratings  

DOE Patents [OSTI]

A compact imaging spectrometer comprising an entrance slit for directing light, a first mirror that receives said light and reflects said light, an immersive diffraction grating that diffracts said light, a second mirror that focuses said light, and a detector array that receives said focused light. The compact imaging spectrometer can be utilized for remote sensing imaging spectrometers where size and weight are of primary importance.

Chrisp, Michael P. (Danville, CA)

2006-05-09T23:59:59.000Z

231

Lensless X-Ray Imaging in Reflection  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Lensless X-Ray Imaging in Lensless X-Ray Imaging in Reflection Lensless X-Ray Imaging in Reflection Print Wednesday, 26 October 2011 00:00 The advent of x-ray free-electron laser (XFEL) light sources has led to an outburst of research activities in the field of lensless imaging. XFELs combine the advantages of sychrotron light sources (high brightness and x-ray wavelengths relevant to atomic and molecular phenomena) with the advantages of visible-light lasers (highly coherent beams). All of these characteristics are important for coherent x-ray diffraction imaging-lensless imaging techniques that are proving to be integral to single-shot, high-resolution imaging of both complex materials and biological samples. Existing techniques are typically designed for transmission geometry, however, and use isolated objects, requiring special sample fabrication and restricting the type of samples under investigation. Recently, researchers from the ALS and the University of Oregon have shown at ALS Beamline 12.0.2 that it is possible to form x-ray holograms in reflection geometry by using the light scattered from a sample, opening the door to lensless imaging of a wealth of new material samples.

232

Lensless X-Ray Imaging in Reflection  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

X-Ray Imaging in Reflection Print X-Ray Imaging in Reflection Print The advent of x-ray free-electron laser (XFEL) light sources has led to an outburst of research activities in the field of lensless imaging. XFELs combine the advantages of sychrotron light sources (high brightness and x-ray wavelengths relevant to atomic and molecular phenomena) with the advantages of visible-light lasers (highly coherent beams). All of these characteristics are important for coherent x-ray diffraction imaging-lensless imaging techniques that are proving to be integral to single-shot, high-resolution imaging of both complex materials and biological samples. Existing techniques are typically designed for transmission geometry, however, and use isolated objects, requiring special sample fabrication and restricting the type of samples under investigation. Recently, researchers from the ALS and the University of Oregon have shown at ALS Beamline 12.0.2 that it is possible to form x-ray holograms in reflection geometry by using the light scattered from a sample, opening the door to lensless imaging of a wealth of new material samples.

233

Lensless X-Ray Imaging in Reflection  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

X-Ray Imaging in Reflection Print X-Ray Imaging in Reflection Print The advent of x-ray free-electron laser (XFEL) light sources has led to an outburst of research activities in the field of lensless imaging. XFELs combine the advantages of sychrotron light sources (high brightness and x-ray wavelengths relevant to atomic and molecular phenomena) with the advantages of visible-light lasers (highly coherent beams). All of these characteristics are important for coherent x-ray diffraction imaging-lensless imaging techniques that are proving to be integral to single-shot, high-resolution imaging of both complex materials and biological samples. Existing techniques are typically designed for transmission geometry, however, and use isolated objects, requiring special sample fabrication and restricting the type of samples under investigation. Recently, researchers from the ALS and the University of Oregon have shown at ALS Beamline 12.0.2 that it is possible to form x-ray holograms in reflection geometry by using the light scattered from a sample, opening the door to lensless imaging of a wealth of new material samples.

234

Lensless X-Ray Imaging in Reflection  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Lensless X-Ray Imaging in Reflection Print Lensless X-Ray Imaging in Reflection Print The advent of x-ray free-electron laser (XFEL) light sources has led to an outburst of research activities in the field of lensless imaging. XFELs combine the advantages of sychrotron light sources (high brightness and x-ray wavelengths relevant to atomic and molecular phenomena) with the advantages of visible-light lasers (highly coherent beams). All of these characteristics are important for coherent x-ray diffraction imaging-lensless imaging techniques that are proving to be integral to single-shot, high-resolution imaging of both complex materials and biological samples. Existing techniques are typically designed for transmission geometry, however, and use isolated objects, requiring special sample fabrication and restricting the type of samples under investigation. Recently, researchers from the ALS and the University of Oregon have shown at ALS Beamline 12.0.2 that it is possible to form x-ray holograms in reflection geometry by using the light scattered from a sample, opening the door to lensless imaging of a wealth of new material samples.

235

Lensless X-Ray Imaging in Reflection  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Lensless X-Ray Imaging in Reflection Print Lensless X-Ray Imaging in Reflection Print The advent of x-ray free-electron laser (XFEL) light sources has led to an outburst of research activities in the field of lensless imaging. XFELs combine the advantages of sychrotron light sources (high brightness and x-ray wavelengths relevant to atomic and molecular phenomena) with the advantages of visible-light lasers (highly coherent beams). All of these characteristics are important for coherent x-ray diffraction imaging-lensless imaging techniques that are proving to be integral to single-shot, high-resolution imaging of both complex materials and biological samples. Existing techniques are typically designed for transmission geometry, however, and use isolated objects, requiring special sample fabrication and restricting the type of samples under investigation. Recently, researchers from the ALS and the University of Oregon have shown at ALS Beamline 12.0.2 that it is possible to form x-ray holograms in reflection geometry by using the light scattered from a sample, opening the door to lensless imaging of a wealth of new material samples.

236

A Joint Programme of: "Water will remain a strategic resource for countries worldwide, and the quest for water  

E-Print Network [OSTI]

A Joint Programme of: "Water will remain a strategic resource for countries worldwide, and the quest for water sustainability will become increasingly intricate and delicate. A keen understanding of governance issues and policy options will continue to be a key consideration to better water resource

Chaudhuri, Sanjay

237

SUPPORT FUSION ENERGY SCIENCES IN FY 2013 HELP THE UNITED STATES REMAIN A WORLD LEADER IN FUSION RESEARCH  

E-Print Network [OSTI]

SUPPORT FUSION ENERGY SCIENCES IN FY 2013 HELP THE UNITED STATES REMAIN A WORLD LEADER IN FUSION RESEARCH RESTORE FUNDING FOR THE DOMESTIC FUSION PROGRAM AND MAINTAIN OUR COMMITMENT TO ITER the goals of the U.S. fusion program. To realize the promise of participation in ITER, cultivate future

238

Reply to Evans: Use of poison remains the most parsimonious explanation for Border Cave castor bean extract  

Science Journals Connector (OSTI)

...Norway;cBernard Price Institute for...Italy;cBernard Price Institute for...present in castor oil, including ricinoleic...submitted to moderate heating while still remaining toxic. Heating of the compound most...residues of plant oils and animal fats...

Francesco d’Errico; Lucinda Backwell; Paola Villa; Ilaria Degano; Jeannette J. Lucejko; Marion K. Bamford; Thomas F. G. Higham; Maria Perla Colombini; Peter B. Beaumont

2012-01-01T23:59:59.000Z

239

14 The College will remain primarily a residential university, offering research-led education in science, engineering, medicine and busi-  

E-Print Network [OSTI]

14 The College will remain primarily a residential university, offering research-led education at the College. · To provide a research-led education of the highest international quality within and practical experience Research-led education Intellectualand professionaldevelopment UG PGT PGR Imperial

240

On a slow drift of a massive piston in an ideal gas that remains at mechanical equilibrium  

E-Print Network [OSTI]

On a slow drift of a massive piston in an ideal gas that remains at mechanical equilibrium N@math.uab.edu Fax: 1-205-934-9025 February 18, 2004 Abstract We consider a heavy piston in an infinite cylinder surrounded by ideal gases on both sides. The piston moves under elastic collisions with gas atoms. We assume

Chernov, Nikolai

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

Predicting the Remaining Useful Lifetime of a Proton Exchange Membrane Fuel Cell using an Echo State Network  

E-Print Network [OSTI]

1 Predicting the Remaining Useful Lifetime of a Proton Exchange Membrane Fuel Cell using an Echo industrial Fuel Cell (FC) application resides in the system limited useful lifetime. Consequently, it Membrane Fuel Cell using an iterative predictive structure, which is the most common approach performing

Boyer, Edmond

242

As the Division of Social Sciences at UC Santa Cruz moves forward, it remains sharply focused on the study  

E-Print Network [OSTI]

As the Division of Social Sciences at UC Santa Cruz moves forward, it remains sharply focused and new fields in the social sciences. Research, both disciplinary and interdisciplin- ary, has a major, and knowledge; environment and sus- tainable development; globalization and governance; science, technology

California at Santa Cruz, University of

243

Title. ATP7B copper-regulated traffic and association with the tight junctions: copper excretion into Short title. ATP7B and copper excretion by liver  

E-Print Network [OSTI]

1 Title. ATP7B copper-regulated traffic and association with the tight junctions: copper excretion into the bile Short title. ATP7B and copper excretion by liver Authors. Sonia Hernandez*§ , Yo Tsuchiya manuscript Gastroenterology 2008;134(4):1215-23 #12;2 Abstract The copper transporter ATP7B plays a central

Boyer, Edmond

244

Tightly integrated single- and multi-crystal data collection strategy calculation and parallelized data processing in JBluIce beamline control system  

Science Journals Connector (OSTI)

Single- and multi-crystal data collection strategy and automated data processing have been tightly integrated into the JBluIce graphical user interface. Grid Engine is used to distribute these processes into multiple workstations to make efficient use of all available computing resources.

Pothineni, S.B.

2014-11-18T23:59:59.000Z

245

Estimation of original gas in place from short-term shut-in pressure data for commingled tight gas reservoirs with no crossflow  

E-Print Network [OSTI]

gas production (GP) under these circumstances. This research studies different empirical methods to estimate the original gas in place (OGIP) for one-layer or commingled two-layer tight gas reservoirs without crossflow, from short-term (72-hour) shut...

Khuong, Chan Hung

2012-06-07T23:59:59.000Z

246

Photodetachment of H$^{-}$ near a partial reflecting surface  

E-Print Network [OSTI]

Theoretical and interpretative study on the subject of photodetachment of H$^{-}$ near a partial reflecting surface is presented, and the absorption effect of the surface is investigated on the total and differential cross sections using a theoretical imaging method. To understand the absorption effect, a reflection parameter $K$ is introduced as a multiplicative factor to the outgoing detached-electron wave of H$^-$ propagating toward the wall. The reflection parameter measures, how much electron wave would reflect from the surface; K=0 corresponds to no reflection and K=1 corresponds to the total reflection.

A. Afaq

2007-05-10T23:59:59.000Z

247

Integrated seismic study of naturally fractured tight gas reservoirs. Technical progress report, April 1, 1993--June 31, 1993  

SciTech Connect (OSTI)

This was the seventh quarter of the contract. During this quarter we (1) continued the large task of processing the seismic data, (2) collected additional geological information to aid in the interpretation, (3) tied the well log data to the seismic via generation of synthetic seismograms, (4) began integrating regional structural information and fracture trends with our observations of structure in the study area, (5) began constructing a velocity model for time-to-depth conversion and subsequent AVO and raytrace modeling experiments, and (6) completed formulation of some theoretical tools for relating fracture density to observed elastic anisotropy. The study area is located at the southern end of the Powder River Basin in Converse County in east-central Wyoming. It is a low permeability fractured site, with both gas and oil present. Reservoirs are highly compartmentalized due to the low permeabilities, and fractures provide the only practical drainage paths for production. The two formations of interest are: The Niobrara: a fractured shale and limey shale to chalk, which is a reservoir rock, but also its own source rock. The Frontier: a tight sandstone lying directly below the Niobrara, brought into contact with it by an unconformity. A basemap is presented with the seismic lines being analyzed for this project plus locations of 13 wells that we are using to supplement the analysis. The arrows point to two wells for which we have constructed synthetic seismograms.

Mavko, G.; Nur, A.

1993-07-26T23:59:59.000Z

248

Integrated seismic study of naturally fractured tight gas reservoirs. Technical progress report, January 1, 1993--March 31, 1993  

SciTech Connect (OSTI)

During this quarter we (1) received the last of the field tapes and survey information for the seismic field data acquisition which was finished at the very end of the previous quarter, (2) began the large task of processing the seismic data, (3) collected well logs and other informination to aid in the interpretation, and (4) initiated some seismic modeling studies. As already reported, the field data acquisition was at Amoco`s Powder River Basin site in southeast Wyoming. This is a low permeability fractured site, with both gas and oil present. The reservoir is highly compartmentalized, due to the low permeability, with the fractures providing the only practical drainage paths for production. The two formations of interest are: The Niobrara: a fractured shale and limey shale to chalk, which is a reservoir rock, but also its own source rock. The Frontier: a tight sandstone lying directly below the Niobrara, brought into contact with it by an unconformity. The fractures are thought to lie in a roughly northwest-southeast trend, along the strike of a flexure, which forms one of the boundaries of the basin.

Mavko, G.; Nur, A.

1993-04-26T23:59:59.000Z

249

An evaluation of acid frac/matrix stimulation of a tight limestone formation in exploratory wells in Kuwait  

SciTech Connect (OSTI)

With the advent of Kuwait's intensive exploratory activities to locate and test deeper geologic structures, tighter and very low porosity limestone formations were progressively encountered. Most of these hydrocarbon bearing formations initially appeared to be very stubborn and hardly indicated any fluid influx into the well-bore. In certain cases the hydrostatic head was nearly completely removed by unloading the well practically down to perforations, thereby creating optimum draw-down but it either resulted in poor inflow or none at all. In the absence of currently available chemicals, equipment, job design engineering and better understanding of tight carbonate formations and their responses to various acid formulations, some of these could have slipped into unattractive categories. With the implementation of specially designed matrix and acid-frac treatments, these formation have, however, been unmasked and turned out to be highly potential finds now. This paper basically outlines the salient features of theoretical and operational aspects of stimulating and testing some of the very low porosity hard limestone formations in Kuwait recently.

Singh, J.R.

1985-03-01T23:59:59.000Z

250

Effect of shear rate on the activity of enzymes used in hydraulic fracture cleanup of tight unconventional reservoirs  

Science Journals Connector (OSTI)

Injection of polymeric solutions in order to propagate a fracture and carry proppants to keep the fracture open is a common practice in hydraulic fracturing of ultra-tight formations. Polymeric fluids open and extend the already existing network of fractures. Considering the low permeability of the formation, small width of the micro-fractures, and the importance of fracture cleanup during the production phase, using breakers is recommended to degrade the more concentrated polymeric fluid and increase the conductivity of the fractures. Enzymes are typically used successfully as breakers for fracturing fluids. In this study, the effect of high shear rates on the activity of enzymes was studied. Enzyme activity decreased at increasing shear rates. However, this activity reduction is reversible. This proves insignificant damage to the enzyme structure due to shear effects. This will assure the activity of the enzymes after reaching the fracture and the more efficient cleanup of the fracture(s). [Received: 31 July 2013; Accepted: 26 January 2014].

Chris Ouyang; Reza Barati

2014-01-01T23:59:59.000Z

251

Microsoft Word - AL 2010-07 Acquistion Letters Remaining in Effect May 2010 revision 1 June 2010  

Broader source: Energy.gov (indexed) [DOE]

No. AL 2010-07 Rev. 1 No. AL 2010-07 Rev. 1 Acquisition Regulation Date 06/01/2010 ACQUISITION LETTER This Acquisition Letter is issued under the authority of the DOE and NNSA Senior Procurement Executives. Acquisition Letters (AL) that remain in effect are identified below. All other previously issued ALs have been superseded by a formal rule-making, incorporated into other guidance, and/or canceled. * * * * * * * * * * * * * * * * ACQUISITION LETTERS REMAINING IN EFFECT NUMBER DATE SUBJECT 93-4 04/07/1993 Displaced Workers Benefits Program 94-19 12/09/1994 Basic Labor Policies Fringe Benefits 95-06 06/28/1995 Personal Property Letter System 2000-09 11/11/2000 Source Selection Authority 2005-11 07/15/2005 Home Office Expenses for Management and

252

Meta-Sociology: Doings and Reflections  

E-Print Network [OSTI]

and to participate. '. "Lik I have called my remarks "Meta-Sociology: Doings and ReflectIo~s. LI e many of you, I am not quite sure what "meta" means, but, kn?Wlng t~at George Ritzer was going to address ~ relate~ theme, I was depending o~ him to give you the in... undergraduate degree ~~ . How can I make you understand what the first few days and weeks 10 Lawrence meant to me? It was my first time living apart from my family; it was my first museum; my first art. gallery. It was my. first e?'P0sure.to .live classical...

Scott, W. Richard

1991-04-01T23:59:59.000Z

253

Reflective echo tomographic imaging using acoustic beams  

DOE Patents [OSTI]

An inspection system includes a plurality of acoustic beamformers, where each of the plurality of acoustic beamformers including a plurality of acoustic transmitter elements. The system also includes at least one controller configured for causing each of the plurality of acoustic beamformers to generate an acoustic beam directed to a point in a volume of interest during a first time. Based on a reflected wave intensity detected at a plurality of acoustic receiver elements, an image of the volume of interest can be generated.

Kisner, Roger; Santos-Villalobos, Hector J

2014-11-25T23:59:59.000Z

254

Reflectivity of Shock Compressed Xenon Plasma  

E-Print Network [OSTI]

Experimental results for the reflection coefficient of shock-compressed dense Xenon plasmas at pressures of 1.6 - 17 GPa and temperatures around 30 000 K using a laser beam with \\lambda = 1.06 10^-6 m are compared with calculations based on different theoretical approaches to the dynamical collision frequency. It is found that a reasonable description can be given assuming a spatial electron density profile corresponding to a finite width of the shock wave front of about $2 10^-6 m.

Reinholz, H; Wierling, A; Mintsev, V; Gryaznov, V

2002-01-01T23:59:59.000Z

255

A replaceable reflective film for solar concentrators  

SciTech Connect (OSTI)

The 3M Company manufactures a silvered acrylic film called ECP-305 that is regarded as the preferred reflective film for use on stretched-membrane heliostats. However, ECP-305 will degrade in time, due to both corrosion of the silver layer and delamination at the film's silver-to-acrylic interface, and will eventually need to be replaced. 3M uses a very aggressive adhesive on this film, and once it is laminated, replacement is very difficult. The purpose of this investigation was the development of a replaceable reflector, a reflective film that can be easily removed and replaced. A replaceable reflector was successfully configured by laminating ECP-305 to the top surface of a smooth, dimensionally stable polymer film, with a removable adhesive applied to the underside of the polymer film. Several stages of screening and testing led to the selection of a 0.010-inch thick polycarbonate (GE 8030) as the best polymer film and a medium tack tape (3M Y-9425) was selected as the best removable adhesive. To demonstrate the feasibility of the replaceable reflector concept and to provide a real-time field test, the chosen construction was successfully applied to the 50-m{sup 2} SKI heliostat at the Central Receiver Test Facility at Sandia National Laboratories in Albuquerque. 4 refs., 13 figs., 7 tabs.

Not Available

1991-09-01T23:59:59.000Z

256

Computational 3D and reflectivity imaging with high photon efficiency  

E-Print Network [OSTI]

Imaging the 3D structure and reflectivity of a scene can be done using photon-counting detectors. Traditional imagers of this type typically require hundreds of detected photons per pixel for accurate 3D and reflectivity ...

Shin, Dongeek

2014-01-01T23:59:59.000Z

257

Obama's Call for Public-Private Cyber Security Collaboration Reflected in  

Broader source: Energy.gov (indexed) [DOE]

Obama's Call for Public-Private Cyber Security Collaboration Obama's Call for Public-Private Cyber Security Collaboration Reflected in DOE's Priorities Obama's Call for Public-Private Cyber Security Collaboration Reflected in DOE's Priorities May 29, 2009 - 4:08pm Addthis In releasing the results of his Administration's 60-day cyber security review, President Barack Obama today emphasized that partnering with the private sector will be paramount for agencies working to secure the power grid and other critical infrastructures from cyber attack. Securing the computer-based systems that monitor and control the nation's electric grid and oil and gas pipelines remains a shared challenge for the Department of Energy. As the industry quickly works to develop and demonstrate Smart Grid technologies to build a more reliable and resilient

258

The effect of rock density in synthesizing seismic reflection records  

E-Print Network [OSTI]

was gained on the relative significance of rock densities in determining the reflection coefficient. The error which would be expected in the reflection coefficient at an interface when computed from the velocity inforsmtion only can be estimated from... was gained on the relative significance of rock densities in determining the reflection coefficient. The error which would be expected in the reflection coefficient at an interface when computed from the velocity inforsmtion only can be estimated from...

Morris, Gerald Brooks

2012-06-07T23:59:59.000Z

259

The complete influenza hemagglutinin fusion domain adopts a tight helical hairpin arrangement at the lipid:water interface  

Science Journals Connector (OSTI)

...exemplified by the 2009 outbreak of the swine flu pandemic, influenza remains...of the standard model-free Lipari-Szabo...H} NOE; (D) Model-free generalized...isotropic diffusion model. Fig. 2. Structure...interhelical H-bonds predict strong interhelical...

Justin L. Lorieau; John M. Louis; Ad Bax

2010-01-01T23:59:59.000Z

260

Camera-based reflectivity measurement for solar thermal applications  

E-Print Network [OSTI]

Tubular receivers for solar thermal power plants, specifically tower plants, are in common use, in plantsCamera-based reflectivity measurement for solar thermal applications John D. Pye1 , Clifford K. Ho2 of the solar-weighted reflectivity of the receiver component in CSP systems. Such reflectivity measurement

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

Analysis of long-term impacts of TRU waste remaining at generator/storage sites for No Action Alternative 2  

SciTech Connect (OSTI)

This report is a supplement to the Waste Isolation Pilot Plant Disposal-Phase Final Supplemental Environmental Impact Statement (SEIS-II). Described herein are the underlying information, data, and assumptions used to estimate the long-term human-health impacts from exposure to radionuclides and hazardous chemicals in transuranic (TRU) waste remaining at major generator/storage sites after loss of institutional control under No Action Alternative 2. Under No Action Alternative 2, TRU wastes would not be emplaced at the Waste Isolation Pilot Plant (WIPP) but would remain at generator/storage sites in surface or near-surface storage. Waste generated at smaller sites would be consolidated at the major generator/storage sites. Current TRU waste management practices would continue, but newly generated waste would be treated to meet the WIPP waste acceptance criteria. For this alternative, institutional control was assumed to be lost 100 years after the end of the waste generation period, with exposure to radionuclides and hazardous chemicals in the TRU waste possible from direct intrusion and release to the surrounding environment. The potential human-health impacts from exposure to radionuclides and hazardous chemicals in TRU waste were analyzed for two different types of scenarios. Both analyses estimated site-specific, human-health impacts at seven major generator/storage sites: the Hanford Site (Hanford), Idaho National Engineering and Environmental Laboratory (INEEL), Lawrence Livermore National Laboratory (LLNL), Los Alamos National Laboratory (LANL), Oak Ridge National Laboratory (ORNL), Rocky Flats Environmental Technology Site (RFETS), and Savannah River Site (SRS). The analysis focused on these seven sites because 99 % of the estimated TRU waste volume and inventory would remain there under the assumptions of No Action Alternative 2.

Buck, J.W.; Bagaasen, L.M.; Bergeron, M.P.; Streile, G.P. [and others

1997-09-01T23:59:59.000Z

262

Remaining Sites Verification Package for the 128-B-3 Burn Pit Site, Waste Site Reclassification Form 2006-058  

SciTech Connect (OSTI)

The 128-B-3 waste site is a former burn and disposal site for the 100-B/C Area, located adjacent to the Columbia River. The 128-B-3 waste site has been remediated to meet the remedial action objectives specified in the Remaining Sites ROD. The results of verification sampling demonstrated that residual contaminant concentrations do not preclude any future uses and allow for unrestricted use of shallow zone soils. The results of sampling at upland areas of the site also showed that residual contaminant concentrations are protective of groundwater and the Columbia River.

L. M. Dittmer

2006-11-17T23:59:59.000Z

263

Remaining Sites Verification Package for the 100-B-24 Spillway, Waste Site Reclassification Form 2006-051  

SciTech Connect (OSTI)

The 100-B-24 Spillway is a spillway that was designed to serve as an emergency discharge point for the 116-B-7 outfall in the event that the 100-B-15 river effluent pipelines were blocked, damaged, or undergoing maintenance. The site meets the remedial action objectives specified in the Remaining Sites ROD. The results of confirmatory sampling show that residual contaminant concentrations do not preclude any future uses and allow for unrestricted use of shallow zone soils. The results also demonstrate that residual contaminant concentrations are protective of groundwater and the Columbia River.

L. M. Dittmer

2006-09-18T23:59:59.000Z

264

Dissimilar-welded failure analysis and development: Volume 6, Weld condition and remaining life assessment manual: Final report  

SciTech Connect (OSTI)

Step-by-step guidelines contained in a new engineering manual explain how to evaluate dissimilar metal weld loadings, assess the current state of damage, and predict remaining weld life. Suggested plant and operational modifications will help utility personnel identify root causes and avoid additional failures in a given boiler. Failure of dissimilar metal welds (DMWs) between the austenitic and ferritic steel tubing used in superheaters and reheaters constitutes a major cause of forced outages in fossil boilers. EPRI has undertaken a study of DMWs, reported in volumes 1-6 of this nine-volume series, to provide utilities with a systematic approach for identifying root causes, remedying identified problems, and estimating remaining DMW useful life. This manual follows the three-phase approach outlined in the EPRI guidelines for life extension (report CS-4778). The investigators subjected the samples to detailed metallurgical examination and established correlations among operating conditions, system stresses, and the extent of observed DMW cracking. These correlations were quantified in the PODIS computer code (prediction of damage in service code; EPRI report CS-4252, volume 7). The investigators documented this information in a manual explaining how to carry out life assessment of DMWs. These guidelines describe an analytic procedure that computes the current level of DMW damage based on operating temperature, the number and nature of cycles, and system stresses. They explain a procedure for supplementary destructive examinations to verify the analytic predictions. 10 refs., 20 figs., 2 tabs.

Not Available

1988-08-01T23:59:59.000Z

265

A method to estimate the size and remaining market potential of the U.S. ESCO (energy service company) industry  

Science Journals Connector (OSTI)

Abstract This study presents a method to estimate the market investment potential for ESPC (energy-saving performance contracts) and annual blended energy savings remaining in buildings typically addressed by U.S. \\{ESCOs\\} (energy service companies). We define \\{ESCOs\\} as companies for whom performance-based contracting is a core business activity. The market potential analysis incorporates market penetration estimates provided by industry experts in late 2012, data on U.S. building stock typically addressed by ESCOs, and typical project investment costs from a database of 4000 + projects. ESCO industry revenue growth significantly outpaced U.S. GDP (gross domestic product) growth during 2009–2011. We estimate that the remaining investment potential in facilities typically addressed by the ESCO industry ranges from ?$71 to $133 billion. Our analysis includes ESCO industry size and growth projections drawing on information from interviews with ESCO executives conducted in late 2012. The U.S. ESCO industry could grow in size from $6 billion in 2013 to ?$7.5 billion by 2014, but this growth is contingent on enabling policies. The U.S. ESCO industry is similar in size to the ESCO industries in Germany, France, and China. Our estimation approach could be adapted for other countries with the caveat that ESCO industry definitions and revenue reporting practices vary across countries.

Elizabeth Stuart; Peter H. Larsen; Charles A. Goldman; Donald Gilligan

2014-01-01T23:59:59.000Z

266

Quantum tunneling and reflection of a molecule with a single bound state  

SciTech Connect (OSTI)

In this article, we present the results of studies on the quantum mechanical tunneling and reflection of a diatomic, homonuclear molecule with a single bound state incident upon a potential barrier. In the first study, we investigate the tunneling of a molecule using a time-dependent formulation. The molecular wave function is modeled as a Gaussian wave packet, and its propagation is calculated numerically using Crank-Nicholson integration. It is found that a molecule may transition between the bound state and an unbound state numerous times during the process of reflection from or transmission past the barrier. It is also found that, in addition to reflecting and transmitting, the molecule may also temporarily straddle the potential barrier in an unbound state. In the second study, we consider the case of a molecule incident in the bound state upon a step potential with energy less than the step. We show that in the limit where the binding energy e{sub 0} approaches zero and the step potential V{sub 0} goes to infinity, the molecule cannot remain in a bound state if the center of mass gets closer to the step than an arbitrarily large distance x{sub 0} which increases as the magnitude of e{sub 0} decreases, as V{sub 0} increases, or both. We also show that, for e{sub 0{yields}}0{sup -} and V{sub 0{yields}{infinity}}, if the molecule is incident in the bound state, it is reflected in the bound state with probability equal to unity, when the center of mass reaches the reflection distance x{sub 0}. We verify that the unbound states exhibit the expected physical behavior. We discuss some surprising results. Connections between our results and investigations done in cold atoms, excitons, Cooper pairs, and Rydberg atoms are discussed.

Kavka, Jeremy J.; Kerbrat, Danielle; Shegelski, Mark R. A. [Department of Physics, University of Northern British Columbia, Prince George, British Columbia V2N 4Z9 (Canada)

2010-02-15T23:59:59.000Z

267

Remaining Sites Verification Package for the 1607-B1 Septic System, Waste Site Reclassification Form 2007-015  

SciTech Connect (OSTI)

The 1607-B1 Septic System includes a septic tank, drain field, and associated connecting pipelines and influent sanitary sewer lines. This septic system serviced the former 1701-B Badgehouse, 1720-B Patrol Building/Change Room, and the 1709-B Fire Headquarters. The 1607-B1 waste site received unknown amounts of nonhazardous, nonradioactive sanitary sewage from these facilities during its operational history from 1944 to approximately 1970. In accordance with this evaluation, the confirmatory sampling results support a reclassification of this site to No Action. The current site conditions achieve the remedial action objectives and the corresponding remedial action goals established in the Remaining Sites ROD. The results of confirmatory sampling show that residual contaminant concentrations do not preclude any future uses and allow for unrestricted use of shallow zone soils. The results also demonstrate that residual contaminant concentrations are protective of groundwater and the Columbia River.

L. M. Dittmer

2007-08-30T23:59:59.000Z

268

Remaining Sites Verification Package for the 100-B-14:1 Process Sewer, Waste Site Reclassification Form 2004-005  

SciTech Connect (OSTI)

The 100-B-14:1 subsite encompasses the former process sewer main associated with the 105-B Reactor Building, 108-B Chemical Pumphouse and Tritium Separation Facility, 184-B Boiler House and the 100-B water treatment facilities, as well as the feeder lines associated with the 108-B facility, formerly discharging to the 116-B-7 Outfall Structure. The subsite has been remediated to achieve the remedial action objectives specified in the Remaining Sites ROD. The results of verification sampling demonstrated that residual contaminant concentrations do not preclude any future uses and allow for unrestricted use of shallow zone soils. The results also showed that residual contaminant concentrations are protective of groundwater and the Columbia River.

L. M. Dittmer

2007-02-22T23:59:59.000Z

269

Internal Reflection Sensor for the Cone Penetrometer  

SciTech Connect (OSTI)

The objectives of this project are to design, assemble, test, and demonstrate a prototype Internal Reflection Sensor (IRS) for the cone penetrometer. The sensor will ultimately be deployed during site characterization with the goal of providing real-time, in situ detection of NonAqueous Phase Liquids (NAPLs) in the subsurface. In the first phase of this program, we have designed and assembled an IRS module that interfaces directly to a standard cone penetrometer system. Laboratory tests demonstrated that the sensor responds in real-time to a wide variety of free phase NAPLs without interference from natural materials such as water and soil of various types or dissolved contaminants. In a preliminary field test, the sensor was able to locate NAPLs at thin, discrete depths in a soil test pit when deployed with a cone penetrometer. Ruggedness of the device was tested with a series of penetrometer pushes to the depth of refusal at a clean location. There was no visible damage to the sensor and its performance did not change in the course of these experiments. Based on the successes of the Phase I program, it is recommended that the project proceed to full-scale demonstration in Phase II.

Job Bello

1998-05-29T23:59:59.000Z

270

LED structure with enhanced mirror reflectivity  

DOE Patents [OSTI]

Embodiments of the present invention are generally related to LED chips having improved overall emission by reducing the light-absorbing effects of barrier layers adjacent mirror contacts. In one embodiment, a LED chip comprises one or more LEDs, with each LED having an active region, a first contact under the active region having a highly reflective mirror, and a barrier layer adjacent the mirror. The barrier layer is smaller than the mirror such that it does not extend beyond the periphery of the mirror. In another possible embodiment, an insulator is further provided, with the insulator adjacent the barrier layer and adjacent portions of the mirror not contacted by the active region or by the barrier layer. In yet another embodiment, a second contact is provided on the active region. In a further embodiment, the barrier layer is smaller than the mirror such that the periphery of the mirror is at least 40% free of the barrier layer, and the second contact is below the first contact and accessible from the bottom of the chip.

Bergmann, Michael; Donofrio, Matthew; Heikman, Sten; Schneider, Kevin S; Haberern, Kevin W; Edmond, John A

2014-04-01T23:59:59.000Z

271

OPEC 1991 results reflect hard times  

SciTech Connect (OSTI)

This paper reports that low crude oil prices and economic tough times in industrial countries cause a lean 1991 for members of the Organization of Petroleum Exporting Countries. OPEC's 1991 annual report the member countries reported an overall loss of $12 billion in 1991 on oil revenues that fell 16.2%. Iraq and Kuwait were not included because of their unusual circumstances in the wake of the Persian Gulf war. Reduced oil revenues reflected a slide to $18.66/bbl in 1991 from $22.26/bbl in 1990 for the average price of OPEC basket crudes. As of last June 5 OPEC's basket crude price has averaged only $17.42/bbl this year, OPEC News Agency (Opecna) reported. First quarter 1992 prices averaged $16.77/bbl, compared wit $19.31/bbl in fourth quarter 1991. The average price jumped 52 cent/bbl the first week in June this year to $19.93/bbl, bouyed by Saudi Arabia's move at the end of May to shift its policy from price moderation to one in favor of higher prices, Opecna the. OPEC members increased production 1% in 1991 to an average 23.28 million b/d in spite of negligible production from Iraq and Kuwait and reduced production from Qatar.

Not Available

1992-07-20T23:59:59.000Z

272

Pure nuclear reflections in case of nuclear level crossing  

Science Journals Connector (OSTI)

Measurements of the time-differential decay of the collective nuclear excitation in yttrium iron garnet have been performed to observe the (002) pure nuclear reflection versus the splitting within two d sites. Even when the energy levels of the two sites are identical, the reflectivity amplitude does not vanish. This is a new realization of a pure nuclear reflection. It arises in case of nuclear level crossing of two d sites because their eigenvectors are not identical.

R. Rüffer; E. Gerdau; H. D. Rüter; W. Sturhahn; R. Hollatz; A. Schneider

1989-12-11T23:59:59.000Z

273

Reflection and transmission coefficients of a fracture in transversely ...  

E-Print Network [OSTI]

The reflection-transmission problem in isotropic media has been solved by ...... material or abrupt changes in COF (Smith, 1996; Anandakrishnan, 1996; Horgan

2011-11-28T23:59:59.000Z

274

Fabrication and performance of polymer-nanocomposite anti-reflective...  

Office of Scientific and Technical Information (OSTI)

News, VA (United States) Design of polymer anti-reflective (AR) optical coatings for plastic substrates is challenging because polymers exhibit a relatively narrow range of...

275

Reflection Survey At Under Steamboat Springs Area (Warpinski...  

Open Energy Info (EERE)

Under Steamboat Springs Area (Warpinski, Et Al., 2002) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Reflection Survey At Under Steamboat...

276

Reflection Survey At Blue Mountain Geothermal Area (Melosh, Et...  

Open Energy Info (EERE)

Melosh, Et Al., 2010) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Reflection Survey At Blue Mountain Geothermal Area (Melosh, Et Al., 2010)...

277

The important effect of electron reflection on thermionic converter performance  

SciTech Connect (OSTI)

Although only a few percent of high energy electrons are reflected from bare metal surfaces, 20--60% of low energy incident electrons are reflected from thermionic converter electrodes with adsorbed cesium and oxygen. The TECMDL computer model indicates that electron reflection in cesium vapor thermionic converters increases the arc potential drop, offsetting the gain in performance obtainable by lowering the collector work function via the coadsorbed Cs/O layer. The possible suppression of electron reflection by using electrodes with sub-micron surface structure is hypothesized and supported by experimental data obtained by employing a new method for testing in cesium-oxygen vapor.

Rasor, N.S.

1998-07-01T23:59:59.000Z

278

Improving the Availability and Delivery of Critical Information for Tight Gas Resource Development in the Appalachian Basin  

SciTech Connect (OSTI)

To encourage, facilitate and accelerate the development of tight gas reservoirs in the Appalachian basin, the geological surveys in Pennsylvania and West Virginia collected widely dispersed data on five gas plays and formatted these data into a large database that can be accessed by individual well or by play. The database and delivery system that were developed can be applied to any of the 30 gas plays that have been defined in the basin, but for this project, data compilation was restricted to the following: the Mississippian-Devonian Berea/Murrysville sandstone play and the Upper Devonian Venango, Bradford and Elk sandstone plays in Pennsylvania and West Virginia; and the 'Clinton'/Medina sandstone play in northwestern Pennsylvania. In addition, some data were collected on the Tuscarora Sandstone play in West Virginia, which is the lateral equivalent of the Medina Sandstone in Pennsylvania. Modern geophysical logs are the most common and cost-effective tools for evaluating reservoirs. Therefore, all of the well logs in the libraries of the two surveys from wells that had penetrated the key plays were scanned, generating nearly 75,000 scanned e-log files from more than 40,000 wells. A standard file-naming convention for scanned logs was developed, which includes the well API number, log curve type(s) scanned, and the availability of log analyses or half-scale logs. In addition to well logs, other types of documents were scanned, including core data (descriptions, analyses, porosity-permeability cross-plots), figures from relevant chapters of the Atlas of Major Appalachian Gas Plays, selected figures from survey publications, and information from unpublished reports and student theses and dissertations. Monthly and annual production data from 1979 to 2007 for West Virginia wells in these plays are available as well. The final database also includes digitized logs from more than 800 wells, sample descriptions from more than 550 wells, more than 600 digital photos in 1-foot intervals from 11 cores, and approximately 260 references for these plays. A primary objective of the research was to make data and information available free to producers through an on-line data delivery model designed for public access on the Internet. The web-based application that was developed utilizes ESRI's ArcIMS GIS software to deliver both well-based and play-based data that are searchable through user-originated queries, and allows interactive regional geographic and geologic mapping that is play-based. System tools help users develop their customized spatial queries. A link also has been provided to the West Virginia Geological Survey's 'pipeline' system for accessing all available well-specific data for more than 140,000 wells in West Virginia. However, only well-specific queries by API number are permitted at this time. The comprehensive project web site (http://www.wvgs.wvnet.edu/atg) resides on West Virginia Geological Survey's servers and links are provided from the Pennsylvania Geological Survey and Appalachian Oil and Natural Gas Research Consortium web sites.

Mary Behling; Susan Pool; Douglas Patchen; John Harper

2008-12-31T23:59:59.000Z

279

Reflections on Money and Lean Construction Proceedings IGLC-7 253  

E-Print Network [OSTI]

Reflections on Money and Lean Construction Proceedings IGLC-7 253 REFLECTIONS ON MONEY AND LEAN CONSTRUCTION Federico Orrechia1 and Gregory A. Howell2 ABSTRACT Money is a particularly tricky resource to minimize risk of schedule overrun. Here again the role of money is to help clarify value for the client

Tommelein, Iris D.

280

Interactive Refractions with Total Internal Reflection Scott T Davis  

E-Print Network [OSTI]

more e-mail: scott-davis-1@uiowa.edu e-mail:cwyman@cs.uiowa.edu efficient such as is the caseInteractive Refractions with Total Internal Reflection Scott T Davis University of Iowa Chris Wyman and improve upon approaches that avoid to- tal internal reflection. CR Categories: I.3.7 [Computer Graphics

Wyman, Chris

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Reflection soft X-ray microscope and method  

DOE Patents [OSTI]

A reflection soft X-ray microscope is provided by generating soft X-ray beams, condensing the X-ray beams to strike a surface of an object at a predetermined angle, and focusing the X-ray beams reflected from the surface onto a detector, for recording an image of the surface or near surface features of the object under observation.

Suckewer, Szymon (Princeton, NJ); Skinner, Charles H. (Lawrenceville, NJ); Rosser, Roy (Princeton, NJ)

1993-01-01T23:59:59.000Z

282

Laser beam reflection from shock waves in xenon and silicon  

Science Journals Connector (OSTI)

The experimental results of the laser beam (?=1 06 ?m) reflection from shock waves in xenon at P=1 6+17 GPa and in silicon at an insulator?metal transition region at P=10+46 GPa are presented. Reflection characteristics and possibility of the estimation of the electron properties of the substance under high pressures are discussed.

V. B. Mintsev; Yu. B. Zaporoghets; V. E. Fortov

1990-01-01T23:59:59.000Z

283

High-calcium, high-reflectance limestone resources of Illinois  

Science Journals Connector (OSTI)

...measurements were made using a Photovolt Corporat ion reflectance spectrophotometer complying with ASTM Standard E-97 and TAPPI tentative stan- d a r d T 6 4 6 M - 5 4 . E a c h s a m p l e f o r reflectance measurement was pressed into a briquet, using...

284

A hybrid HPC/cloud distributed infrastructure: Coupling EC2 cloud resources with HPC clusters to run large tightly coupled multiscale applications  

Science Journals Connector (OSTI)

Abstract In this paper, we report on the experimental results of running a large, tightly coupled, distributed multiscale computation over a hybrid High Performance Computing (HPC) infrastructures. We connected EC2 based cloud clusters located in USA to university clusters located in Switzerland. We ran a concurrent multiscale MPI based application on this infrastructure and measured the overhead induced by extending our HPC clusters with EC2 resources. Our results indicate that accommodating some parts of the multiscale computation on cloud resources can lead to low performance without a proper adjustment of \\{CPUs\\} power and workload. However, by enforcing a load-balancing strategy one can benefit from the extra Cloud resources.

Mohamed Ben Belgacem; Bastien Chopard

2015-01-01T23:59:59.000Z

285

Reflection Survey At Coso Geothermal Area (2008) | Open Energy Information  

Open Energy Info (EERE)

At Coso Geothermal Area (2008) At Coso Geothermal Area (2008) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Reflection Survey At Coso Geothermal Area (2008) Exploration Activity Details Location Coso Geothermal Area Exploration Technique Reflection Survey Activity Date 2008 Usefulness not indicated DOE-funding Unknown Exploration Basis A reflection survey was done to analyze the brittle upper plate structure revealed by reflection seismic data Notes The relationships between upper crustal faults, the brittle-ductile transition zone, and underlying magmatic features imaged by multifold seismic reflection data are consistent with the hypothesis that the Coso geothermal field, which lies within an extensional step-over between dextral faults, is a young, actively developing metamorphic core complex.

286

Seismic Reflection Data and Conceptual Models for Geothermal Development in  

Open Energy Info (EERE)

Seismic Reflection Data and Conceptual Models for Geothermal Development in Seismic Reflection Data and Conceptual Models for Geothermal Development in Nevada Jump to: navigation, search OpenEI Reference LibraryAdd to library Conference Paper: Seismic Reflection Data and Conceptual Models for Geothermal Development in Nevada Abstract Seismic reflection data were collected in two geothermalareas in Nevada to support geologic structural models andgeothermal well targeting. The data were integrated withsurface mapping, well results, and other geophysical data inconceptual geologic models in both areas. Faults wereinterpreted from reflection data based on reflector offsetsand apparent fault surface reflectors dipping away from therange front. Interpreted faults at Blue Mt., where severalwells have been drilled, correlated with well entries.Subsequent well targeting based on the conceptualstructural model

287

Reflection Survey At Coso Geothermal Area (1989) | Open Energy Information  

Open Energy Info (EERE)

Reflection Survey At Coso Geothermal Area (1989) Reflection Survey At Coso Geothermal Area (1989) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Reflection Survey At Coso Geothermal Area (1989) Exploration Activity Details Location Coso Geothermal Area Exploration Technique Reflection Survey Activity Date 1989 Usefulness useful DOE-funding Unknown Exploration Basis Determine the crustul structure of the Coso geothermal system Notes In mid-1989 the authors designed and collected four seismic reflection/refraction profiles that addressed the crustal structure of the Coso geothermal field. The two main east-west and north-south profiles crossed at the southeastern most base of Sugar Loaf Mountain. Both in-line and cross-line Vibroseis and explosion data were recorded on each of these

288

Remaining useful life estimates of a PEM fuel cell stack by including characterization-induced disturbances in a particle filter model  

E-Print Network [OSTI]

Remaining useful life estimates of a PEM fuel cell stack by including characterization- induced Besançon, France rgourive@ens2m.fr ABSTRACT: Proton Exchange Membrane Fuel Cells (PEMFC) are available, Prognostics, Remaining Useful life, Particle filter 1. Introduction Proton Exchange Membrane Fuel Cells

Paris-Sud XI, Université de

289

Metal reflectivity under high?intensity optical radiation  

Science Journals Connector (OSTI)

Single high?intensity (106?109 W/cm2) pulses of 1.06?? radiation emitted from a Q?switched Nd : YAG laser have been used to study reflectivity behavior of single?crystal copper and tantalum samples. Metalreflectivity during irradiation undergoes a significant drop to values much lower than can be attributed to high?temperature effects. This reflectivity drop under high radiation intensity has two characteristic features. First if vaporization is avoided then during the rising portion of the laser pulse the reflectivity drops continuously until it reaches a constant low value. For copper this occurs at an intensity of 3×108 W/cm2 and has a reflectivity value of ?0.64. The corresponding values for tantalum are I?2.5×107 W/cm2 and R?0.41. For still higher intensities a further drop in reflectivity beyond the plateau region is observed. This drop in reflectivity is always accompanied by heavy melting and followed by some vaporization. As suggested by Prokhorov e t a l. this further drop in reflectivity could be associated with dielectriclike behavior of the molten zone.

T. E. Zavecz; M. A. Saifi; M. Notis

1975-01-01T23:59:59.000Z

290

Reflective optical imaging system for extreme ultraviolet wavelengths  

SciTech Connect (OSTI)

This invention is comprised of a projection reflection optical system having two mirrors in a coaxial, four reflection configuration to reproduce the image of an object. The mirrors have aspherical reflection surfaces to provide a very high resolution of object feature wavelengths less than 200 {mu}m, and preferably less than 100 {mu}m. An image resolution of features less than 0.05--0.1 {mu}m, is obtained over a large area field; i.e., 25.4 mm {times} 25.4 mm, with a distortion less than 0.1 of the resolution over the image field.

Viswanathan, V.K.; Newnam, B.E.

1991-12-31T23:59:59.000Z

291

High-frequency nonreciprocal reflection from magnetic films with overlayers  

SciTech Connect (OSTI)

We perform a theoretical study of the nonreciprocal reflection of high-frequency microwave radiation from ferromagnetic films with thin overlayers. Reflection from metallic ferromagnetic films is always near unity and shows no nonreciprocity. In contrast, reflection from a structure which has a dielectric overlayer on top of a film composed of insulated ferromagnetic nanoparticles or nanostructures can show significant nonreciprocity in the 75–80?GHz frequency range, a very high value. This can be important for devices such as isolators or circulators.

Wang, Ying; Nie, Yan; Camley, R. E. [Center for Magnetism and Magnetic Nanostructures, University of Colorado at Colorado Springs, Colorado Springs, Colorado 80918 (United States)

2013-11-14T23:59:59.000Z

292

Reduction of Glass Surface Reflectance by Ion Beam Surface Modification  

SciTech Connect (OSTI)

This is the final report for DOE contract DE-EE0000590. The purpose of this work was to determine the feasibility of the reduction of the reflection from the front of solar photovoltaic modules. Reflection accounts for a power loss of approximately 4%. A solar module having an area of one square meter with an energy conversion efficiency of 18% generates approximately 180 watts. If reflection loss can be eliminated, the power output can be increased to 187 watts. Since conventional thin-film anti-reflection coatings do not have sufficient environmental stability, we investigated the feasibility of ion beam modification of the glass surface to obtain reduction of reflectance. Our findings are generally applicable to all solar modules that use glass encapsulation, as well as commercial float glass used in windows and other applications. Ion implantation of argon, fluorine, and xenon into commercial low-iron soda lime float glass, standard float glass, and borosilicate glass was studied by implantation, annealing, and measurement of reflectance. The three ions all affected reflectance. The most significant change was obtained by argon implantation into both low-iron and standard soda-lime glass. In this way samples were formed with reflectance lower than can be obtained with a single-layer coatings of magnesium fluoride. Integrated reflectance was reduced from 4% to 1% in low-iron soda lime glass typical of the glass used in solar modules. The reduction of reflectance of borosilicate glass was not as large; however borosilicate glass is not typically used in flat plate solar modules. Unlike conventional semiconductor ion implantation doping, glass reflectance reduction was found to be tolerant to large variations in implant dose, meaning that the process does not require high dopant uniformity. Additionally, glass implantation does not require mass analysis. Simple, high current ion implantation equipment can be developed for this process; however, before the process can be employed on full scale solar modules, equipment must be developed for ion implanting large sheets of glass. A cost analysis shows that the process can be economical. Our finding is that the reduction of reflectance by ion beam surface modification is technically and economically feasible. The public will benefit directly from this work by the improvement of photovoltaic module efficiency, and indirectly by the greater understanding of the modification of glass surfaces by ion beams.

Mark Spitzer

2011-03-11T23:59:59.000Z

293

Design of reflective phase compensator filters for telecommunications  

Science Journals Connector (OSTI)

Reflective phase compensator (RPC) filters provide a solution to the phase-dispersion problem of narrow bandpass (NBP) filters when the data rate is 40 Gbits/s or greater. By use of an...

Noe, Tony D

2002-01-01T23:59:59.000Z

294

Stuttering as Reflected in Adults’ Self-Figure Drawings  

Science Journals Connector (OSTI)

This pilot study aimed to detect indicators within self-figure drawings that reflect stuttering in adults. A sample of 20 adults who stutter from childhood were given a blank sheet...n...= 20). Indicators include...

Rachel Lev-Wiesel; Ayala Shabat; Ayala Tsur

2005-03-01T23:59:59.000Z

295

EUV mask reflectivity measurements with micro-scale spatial resolution  

SciTech Connect (OSTI)

The effort to produce defect-free mask blanks for EUV lithography relies on increasing the detection sensitivity of advanced mask inspection tools, operating at several wavelengths. They describe the unique measurement capabilities of a prototype actinic (EUV) wavelength microscope that is capable of detecting small defects and reflectivity changes that occur on the scale of microns to nanometers. The defects present in EUV masks can appear in many well-known forms: as particles that cause amplitude or phase variations in the reflected field; as surface contamination that reduces reflectivity and contrast; and as damage from inspection and use that reduces the reflectivity of the multilayer coating. This paper presents an overview of several topics where scanning actinic inspection makes a unique contribution to EUVL research. They describe the role of actinic scanning inspection in defect repair studies, observations of laser damage, actinic inspection following scanning electron microscopy, and the detection of both native and programmed defects.

Goldberg, Kenneth A.; Rekawa, Senajith B.; Kemp, Charles D.; Barty, Anton; Anderson, Erik; Kearney, Patrick; Han, Hakseung

2008-02-01T23:59:59.000Z

296

Reflective Interfaces : assisting teens with stressful situations online  

E-Print Network [OSTI]

This thesis presents the concept of Reflective Interfaces, a novel approach to user experience design that promotes positive behavioral norms. Traditional interface design methodologies such as User Centered Design are ...

Jones, Birago (Birago Korayga)

2012-01-01T23:59:59.000Z

297

GREEN FUNCTIONS ASSOCIATED TO COMPLEX REFLECTION GROUPS, II  

E-Print Network [OSTI]

GREEN FUNCTIONS ASSOCIATED TO COMPLEX REFLECTION GROUPS, II University of Tokyo Noda, Chiba 278-8510, Japan Abstract. Green functions and Hall-Littlewoo* *d functions associated to W are introduced, and Green functions are described

Shoj, Toshiaki

298

Anti-reflective nanoporous silicon for efficient hydrogen production  

DOE Patents [OSTI]

Exemplary embodiments are disclosed of anti-reflective nanoporous silicon for efficient hydrogen production by photoelectrolysis of water. A nanoporous black Si is disclosed as an efficient photocathode for H.sub.2 production from water splitting half-reaction.

Oh, Jihun; Branz, Howard M

2014-05-20T23:59:59.000Z

299

Amplified total internal reflection: theory, analysis, and demonstration of  

E-Print Network [OSTI]

and links 1. C. J. Koester, "Laser action by enhanced total internal reflection," IEEE J. Quantum Electron optical waveguide with lossless core and gainy cladding will experience growth [1]. Consider instead

Hagness, Susan C.

300

Quantum field theoretical description for the reflectivity of graphene  

E-Print Network [OSTI]

We derive the polarization tensor of graphene at nonzero temperature in (2+1)-dimensional space-time. The obtained tensor coincides with the previously known one at all Matsubara frequencies, but, in contrast to it, admits analytic continuation to the real frequency axis satisfying all physical requirements. Using the obtained representation for the polarization tensor, we develope quantum field theoretical description for the reflectivity of graphene. The analytic asymptotic expressions for the reflection coefficients and reflectivities at low and high frequencies are derived for both independent polarizations of the electromagnetic field. The dependencies of reflectivities on the frequency and angle of incidence are investigated. Numerical computations using the exact expressions for the polarization tensor are performed and application regions for the analytic asymptotic results are determined.

Bordag, M; Mostepanenko, V M; Petrov, V M

2015-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

Reflective cracking of shear keys in multi-beam bridges  

E-Print Network [OSTI]

strength to resist cracking from vehicular loads, but uneven temperature changes and shrinkage strains cause high tensile stresses in the shear key regions and lead to reflective cracking. The analyses showed the highest stresses were often times near...

Sharpe, Graeme Peter

2009-06-02T23:59:59.000Z

302

Universal signal processing method for multimode reflective sensors  

E-Print Network [OSTI]

sensitivity, but the sensor configuration is complicated and requires the use of expensive lasers and single mode fibers. Amplitude modulation trades sensitivity for low cost and ease of configuration by using light emitting diodes and multimode fibers. A... method for reflective sensors using optical fibers as the data transmission media. The proposed transmitter - receiver unit was based on the amplitude modulation of reflected optical signals. This involves the use of an light emitting diode (LED...

Larson, Robert Eugene

2012-06-07T23:59:59.000Z

303

Multilayer reflective coatings for extreme-ultraviolet lithography  

SciTech Connect (OSTI)

Multilayer mirror coatings which reflect extreme ultraviolet (EUV) radiation are a key enabling technology for EUV lithography. Mo/Si multilayers with reflectances of 67.5% at 13.4 nm are now routinely achieved and reflectances of 70 2% at 11.4 nm were obtained with MO/Be multilayers. High reflectance is achieved with careful control of substrate quality, layer thicknesses, multilayer materials, interface quality, and surface termination. Reflectance and film stress were found to be stable relative to the requirements for application to EUV lithography. The run-to-run reproducibility of the reflectance peak position was characterized to be better than 0.2%, providing the required wavelength matching among the seven multilayer-coated mirrors used in the present lithography system design. Uniformity of coating was improved to better than 0.5% across 150 mm diameter substrates. These improvements in EUV multilayer mirror technology will enable us to meet the stringent specifications for coating the large optical substrates for our next-generation EUV lithography system.

Montcalm, C., LLNL

1998-03-10T23:59:59.000Z

304

Exploring the concept of compressed air energy storage (CAES) in lined rock caverns at shallow depth: A modeling study of air tightness and energy balance  

SciTech Connect (OSTI)

This paper presents a numerical modeling study of coupled thermodynamic, multiphase fluid flow and heat transport associated with underground compressed air energy storage (CAES) in lined rock caverns. Specifically, we explored the concept of using concrete lined caverns at a relatively shallow depth for which constructing and operational costs may be reduced if air tightness and stability can be assured. Our analysis showed that the key parameter to assure long-term air tightness in such a system was the permeability of both the concrete lining and the surrounding rock. The analysis also indicated that a concrete lining with a permeability of less than 1×10{sup -18} m{sup 2} would result in an acceptable air leakage rate of less than 1%, with the operational pressure range between 5 and 8 MPa at a depth of 100 m. It was further noted that capillary retention properties and the initial liquid saturation of the lining were very important. Indeed, air leakage could be effectively prevented when the air-entry pressure of the concrete lining is higher than the operational air pressure and when the lining is kept moist at a relatively high liquid saturation. Our subsequent energy-balance analysis demonstrated that the energy loss for a daily compression and decompression cycle is governed by the air-pressure loss, as well as heat loss by conduction to the concrete liner and surrounding rock. For a sufficiently tight system, i.e., for a concrete permeability off less than 1×10{sup -18} m{sup 2}, heat loss by heat conduction tends to become proportionally more important. However, the energy loss by heat conduction can be minimized by keeping the air-injection temperature of compressed air closer to the ambient temperature of the underground storage cavern. In such a case, almost all the heat loss during compression is gained back during subsequent decompression. Finally, our numerical simulation study showed that CAES in shallow rock caverns is feasible from a leakage and energy efficiency viewpoint. Our numerical approach and energy analysis will next be applied in designing and evaluating the performance of a planned full-scale pilot test of the proposed underground CAES concept.

Kim, H.-M.; Rutqvist, J.; Ryu, D.-W.; Choi, B.-H.; Sunwoo, C.; Song, W.-K.

2011-07-15T23:59:59.000Z

305

Boosting the performance of the ASTRI SST-2M prototype: reflective and anti-reflective coatings  

E-Print Network [OSTI]

ASTRI is a Flagship Project of the Italian Ministry of Education, University and Research, led by the Italian National Institute of Astrophysics, INAF. One of the main aims of the ASTRI Project is the design, construction and verification on-field of a dual mirror (2M) end-to-end prototype for the Small Size Telescope (SST) envisaged to become part of the Cherenkov Telescope Array. The ASTRI SST-2M prototype adopts the Schwarzschild-Couder design, and a camera based on SiPM (Silicon Photo Multiplier); it will be assembled at the INAF astronomical site of Serra La Nave on mount Etna (Catania, Italy) within mid 2014, and will start scientific validation phase soon after. The peculiarities of the optical design and of the SiPM bandpass pushed towards specifically optimized choices in terms of reflective coatings for both the primary and the secondary mirror. In particular, multi-layer dielectric coatings, capable of filtering out the large Night Sky Background contamination at wavelengths $\\lambda \\gtrsim 700$ n...

Perri, Luca

2013-01-01T23:59:59.000Z

306

Parametrized linear muffin-tin orbitals atomic-sphere approximation tight-binding scheme: The electronic structure of MoRu alloys  

Science Journals Connector (OSTI)

In this paper we use the recursion method and a linear muffin-tin orbital atomic-sphere approximation (LMTO-ASA) tight-binding (TB) Hamiltonian taken to first order in E-E?, to obtain the electronic structure of Mo-Ru compounds and amorphous clusters of Mo1-xRux for several values of x. It is well known that the LMTO-ASA-TB formalism treats s, p, and d orbitals in an equivalent manner. Therefore it allows the inclusion of important effects, such as the splitting of the center of the bands due to local environment and s-p-d hybridization. These effects are often neglected in the usual parametrized tight-binding Hamiltonians. The LMTO-ASA-TB Hamiltonian used here is parametrized in the sense that potential parameters for the pure metals were used in the calculations and the relative position of the bands in the binaries was adjusted by imposing approximate charge neutrality. But the parametrization is based on a solid theoretical background and no fitting to more exact first-principles calculations is needed. In this paper we show that for the Mo-Ru compounds, a simple parametrized LMTO-ASA-TB Hamiltonian produces good results, when compared to independent first-principles, self-consistent augmented-spherical-wave k-space calculations. We also use the parametrized LMTO-ASA-TB Hamiltonian to obtain the electronic structure of amorphous Mo1-xRux alloys for several values of x. We show that, for these alloys, the density of states at the Fermi level, N(EF), tends to decrease as the Ru concentration increases. This is in agreement with observed experimental tendencies. We note that when the splitting of band centers and s-p-d hybridization are neglected in the calculations, the trends are reversed, with N(EF) increasing as the Ru concentration increases. This illustrates the importance of taking these effects into account.

Sandra Ferreira; Jaime Duarte; Jr.; Sonia Frota-Pessa

1990-03-15T23:59:59.000Z

307

X-ray Reflection By Photoionized Accretion Discs  

E-Print Network [OSTI]

We present the results of reflection calculations that treat the relevant physics with a minimum of assumptions. The temperature and ionization structure of the top five Thomson depths of an illuminated disc are calculated while also demanding that the atmosphere is in hydrostatic equilibrium. In agreement with Nayakshin, Kazanas & Kallman, we find that there is a rapid transition from hot to cold material in the illuminated layer. However, the transition is usually not sharp so that often we find a small but finite region in Thomson depth where there is a stable temperature zone at T \\sim 2 x 10^{6} K due to photoelectric heating from recombining ions. As a result, the reflection spectra often exhibit strong features from partially-ionized material, including helium-like Fe K lines and edges. We find that due to the highly ionized features in the spectra these models have difficulty correctly parameterizing the new reflection spectra. There is evidence for a spurious $R-\\Gamma$ correlation in the ASCA energy range, where $R$ is the reflection fraction for a power-law continuum of index $\\Gamma$, confirming the suggestion of Done & Nayakshin that at least part of the R-Gamma correlation reported by Zdziarski, Lubinski & Smith for Seyfert galaxies and X-ray binaries might be due to ionization effects. Although many of the reflection spectra show strong ionized features, these are not typically observed in most Seyfert and quasar X-ray spectra.

D. R. Ballantyne; R. R. Ross; A. C. Fabian

2001-02-02T23:59:59.000Z

308

Computer assisted design reflection : a web application to improve early stage product in startup companies  

E-Print Network [OSTI]

This thesis investigates the concept of computer-assisted design reflection. The work details the development of a prototype framework and reflection engine. Reflection is a critical process in design. It allows a designer ...

Gimenez, Clayton C. (Clayton Christopher)

2014-01-01T23:59:59.000Z

309

Reflection Survey At Yellowstone Region (Morgan, Et Al., 2003) | Open  

Open Energy Info (EERE)

Yellowstone Region (Morgan, Et Al., 2003) Yellowstone Region (Morgan, Et Al., 2003) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Reflection Survey At Yellowstone Region (Morgan, Et Al., 2003) Exploration Activity Details Location Yellowstone Caldera Geothermal Region Exploration Technique Reflection Survey Activity Date Usefulness not indicated DOE-funding Unknown Notes Simultan eously, we surveyed over 2500 linear km with high-resolution seismic reflection profling that penetrated the upper ~25 m of the lake bottom. References L. A. Morgan, W. C. Shanks, D. A. Lovalvo, S. Y. Johnson, W. J. Stephenson, K. L. Pierce, S. S. Harlan, C. A. Finn, G. Lee, M. Webring, B. Schulze, J. Duhn, R. Sweeney, L. Balistrieri (2003) Exploration And Discovery In Yellowstone Lake- Results From High-Resolution Sonar Imaging,

310

Reflection Survey At Blue Mountain Area (Fairbank Engineering, 2007) | Open  

Open Energy Info (EERE)

Blue Mountain Area (Fairbank Engineering, 2007) Blue Mountain Area (Fairbank Engineering, 2007) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Reflection Survey At Blue Mountain Area (Fairbank Engineering, 2007) Exploration Activity Details Location Blue Mountain Area Exploration Technique Reflection Survey Activity Date Usefulness useful DOE-funding Unknown Notes A high-resolution seismic reflection survey was conducted by Utah Geophysical, Inc. (1990) along four widely spaced survey lines normal to range front fault sets. The survey was designed primarily to detect silicified zones or zones of argillic alteration, and faulting, to depths of about 300 meters (1000 feet), as part of the precious metals exploration program. One interpretation of the data showed discrete, high-angle faults

311

Simulation of the Reflected Blast Wave froma C-4 Charge  

SciTech Connect (OSTI)

The reflection of a blast wave from a C4 charge detonated above a planar surface is simulated with our ALE3D code. We used a finely-resolved, fixed Eulerian 2-D mesh (167 {micro}m per cell) to capture the detonation of the charge, the blast wave propagation in nitrogen, and its reflection from the surface. The thermodynamic properties of the detonation products and nitrogen were specified by the Cheetah code. A programmed-burn model was used to detonate the charge at a rate based on measured detonation velocities. Computed pressure histories are compared with pressures measured by Kistler 603B piezoelectric gauges at 8 ranges (GR = 0, 2, 4, 8, 10, and 12 inches) along the reflecting surface. Computed and measured waveforms and positive-phase impulses were similar, except at close-in ranges (GR < 2 inches), which were dominated by jetting effects.

Howard, W M; Kuhl, A L; Tringe, J W

2011-08-01T23:59:59.000Z

312

EUV mask reflectivity measurements with micron-scale spatial resolution  

SciTech Connect (OSTI)

The effort to produce defect-free mask blanks for EUV lithography relies on increasing the detection sensitivity of advanced mask inspection tools, operating at several wavelengths. We describe the unique measurement capabilities of a prototype actinic (EUV wavelength) microscope that is capable of detecting small defects and reflectivity changes that occur on the scale of microns to nanometers. Types of defects: (a) Buried Substrate Defects: particles & pits (causes amplitude and/or phase variations); (b) Surface Contamination (reduces reflectivity and (possibly) contrast); (c) Damage from Inspection and Use (reduces the reflectivity of the multilayer coating). This paper presents an overview of several topics where scanning actinic inspection makes a unique contribution to EUVL research. We describe the role of actinic scanning inspection in four cases: defect repair studies; observations of laser damage; after scanning electron microscopy; and native and programmed defects.

Goldberg, Kenneth A.; Rekawa, S.B.; Kemp, C.D.; Barty, A.; Anderson, E.H.; Kearney, Patrick; Han, Hakseung

2008-05-26T23:59:59.000Z

313

Improved Spatial Resolution for Reflection Mode Infrared Microscopy  

SciTech Connect (OSTI)

Standard commercial infrared microscopes operating in reflection mode use a mirror to direct the reflected light from the sample to the detector. This mirror blocks about half of the incident light, however, and thus degrades the spatial resolution by reducing the umerical aperture of the objective. Here, we replace the mirror with a 50% beamsplitter to allow full illumination of the objective and retain a way to direct the reflected light to the detector. The improved spatial resolution is demonstrated using two different microscopes apable of diffraction-limited resolution: the first microscope is coupled to a synchrotron source and utilizes a single point detector, whereas the second microscope has a standard blackbody source and uses a focal planetarray (FPA) detector.

Bechtel, Hans A.; Martin, Michael C.; May, T.E.; Lerch, Philippe

2009-10-09T23:59:59.000Z

314

Multiple X-ray reflection from ionized slabs  

E-Print Network [OSTI]

Multiple reflection of X-rays may be important when an accretion disc and its hot corona have a complicated geometry, or if returning radiation due to gravitational light bending is important, or in emission from a funnel such as proposed in some gamma-ray burst models. We simulate the effects of multiple reflection by modifying the boundary condition for an X-ray illuminated slab. Multiple reflection makes the soft X-ray spectrum steeper (softer) and strengthens broad emission and absorption features, especially the K-shell features of iron. This may be important in explaining the spectra of sources such as the Narrow-Line Seyfert 1 galaxy 1H0707-495.

R. R. Ross; A. C. Fabian; D. R. Ballantyne

2002-06-11T23:59:59.000Z

315

A comprehensive range of X-ray ionized reflection models  

E-Print Network [OSTI]

X-ray ionized reflection occurs when a surface is irradiated with X-rays so intense that its ionization state is determined by the ionization parameter xi propto F/n, where F is the incident flux and n the gas density. It occurs in accretion, onto compact objects including black holes in both active galaxies and stellar-mass binaries, and possibly in gamma-ray bursts. Computation of model reflection spectra is often time-consuming. Here we present the results from a comprehensive grid of models computed with our code, which has now been extended to include what we consider to be all energetically-important ionization states and transitions. This grid is being made available as an ionized-reflection model, REFLION, for XSPEC.

R. R. Ross; A. C. Fabian

2005-01-07T23:59:59.000Z

316

Reflectivity of cholesteric liquid crystals with spatially varying pitch  

E-Print Network [OSTI]

Solids with spatially varying photonic structure offer gaps to light of a wider range of frequencies than do simple photonic systems. We solve numerically the field distribution in a solid cholesteric with a linearly varying inverse pitch (helical wavevector) using equations we derive for the general case. The simple idea that the position where the Bragg condition is locally satisfied is where reflection takes place is only true in part. Here, reflection is due to a region where the waves are forced to become evanescent, and the rate of variation of structure determines over which distance the waves decay and therefore how complete reflection is. The approximate local Bragg-de Vries schemes are shown to break down in detail at the edges of the gap, and an analytical estimate is given for the transmission coefficient.

S. Kutter; M. Warner

2003-04-30T23:59:59.000Z

317

Research Needs: Glass Solar Reflectance and Vinyl Siding  

SciTech Connect (OSTI)

The subject of glass solar reflectance and its contribution to permanent vinyl siding distortion has not been extensively studied, and some phenomena are not yet well understood. This white paper presents what is known regarding the issue and identifies where more research is needed. Three primary topics are discussed: environmental factors that control the transfer of heat to and from the siding surface; vinyl siding properties that may affect heat build-up and permanent distortion; and factors that determine the properties of reflected solar radiation from glass surfaces, including insulating window glass. Further research is needed to fully characterize the conditions associated with siding distortion, the scope of the problem, physical properties of vinyl siding, insulating window glass reflection characteristics, and possible mitigation or prevention strategies.

Hart, Robert; Curcija, Charlie; Arasteh, Dariush; Goudey, Howdy; Kohler, Christian; Selkowitz, Stephen

2011-07-07T23:59:59.000Z

318

Reflection Survey (Deangelo, Et Al., 1999) | Open Energy Information  

Open Energy Info (EERE)

Deangelo, Et Al., 1999) Deangelo, Et Al., 1999) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Reflection Survey (Deangelo, Et Al., 1999) Exploration Activity Details Location Unspecified Exploration Technique Reflection Survey Activity Date Usefulness useful DOE-funding Unknown Notes We believe we have demonstrated two sources that can generate S-waves that are appropriate for evaluating geothermal prospects. The first, a vector-explosive package, has never been available to the seismic industry, and the demonstration of its source pe References M. DeAngelo, B.A. Hardage, J. L. Simmons Jr. (1999) Development Of Active Seismic Vector-Wavefield Imaging Technology For Geothermal Applications Retrieved from "http://en.openei.org/w/index.php?title=Reflection_Survey_(Deangelo,_Et_Al.,_1999)&oldid=388218

319

The Lyons Creek boat remains  

E-Print Network [OSTI]

and artifacts dating to the colonial era were discovered during a dredging operation at Lyons Creek, a tributary of the Patuxent River, Calvert County, Maryland. Also recovered from the spoil area were ceramics, wine bottles, and kaolin tobacco pipes, which... Lyons Creek A Shortage of Boats 17 Ferriage 33 Lightering Tobacco Small Craft on the Patuxent River 35 Shallops and Sloops 48 Flats 61 Other Colonial-Era Small Craft 64 III ARTIFACTS AND DATING 68 A Lack of Provenience 68 Cannonballs 69...

Neyland, Robert Stephen

1990-01-01T23:59:59.000Z

320

Hot spots remain the exception  

SciTech Connect (OSTI)

This article is a survey of the drilling activity and petroleum activity in Africa. The areas which seem to hold the highest promise for new discoveries or increased exports are Egypt's Western Desert which seems to offer the possibility of significant oil discoveries. In addition, Nigeria has dramatically increased its exploration activity which is counter to the global trend in 1986. Areas where activity is decreasing are Cameroon, South Africa. It is pointed out that the Gabon crude oil reserves may have been raised 60% by a single on-shore discovery.

Not Available

1987-08-01T23:59:59.000Z

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

Measurements of the hard-x-ray reflectivity of iridium  

SciTech Connect (OSTI)

In connection with the design of a hard-x-ray telescope for the Constellation X-Ray Observatory we measured the reflectivity of an iridium-coated zerodur substrate as a function of angle at 55, 60, 70, and 80 keV at the National Synchrotron Light Source of Brookhaven National Laboratory. The optical constants were derived from the reflectivity data. The real component of the index of refraction is in excellent agreement with theoretical values at all four energies. However, the imaginary component, which is related to the mass attenuation coefficient, is 50% to 70% larger at 55, 60, and 70 keV than theoretical values.

Romaine, S.; Bruni, R.; Gorenstein, P.; Zhong, Z

2007-01-10T23:59:59.000Z

322

Ionized Iron Lines in X-ray Reflection Spectra  

E-Print Network [OSTI]

We present results from new calculations of the X-ray reflection spectrum from ionized accretion discs. These computations improve on our previous models by including the condition of hydrostatic balance in the vertical direction, following the work of Nayakshin, Kazanas & Kallman. We find that an ionized Fe K$\\alpha$ line is prominent in the reflection spectra for a wide variety of physical conditions. The results hold for both gas and radiation pressure dominated discs and when the metal abundances have been varied.

D. R. Ballantyne; R. R. Ross; A. C. Fabian

2001-02-15T23:59:59.000Z

323

Folded reflective tandem polymer solar cell doubles efficiency  

Science Journals Connector (OSTI)

Conjugated polymers are promising materials for the production of inexpensive and flexible photovoltaic cells. Organic materials display tunable optical absorption within a large spectral range. This enables the construction of organic tandem photovoltaic cells. The authors here demonstrate a reflective tandem cell where single cells are reflecting the nonabsorbed light upon another adjacent cell. By folding two planar but spectrally different cells toward each other spectral broadening and light trapping are combined to give an enhancement of power conversion efficiency of a factor of 1.8 ± 0.3 .

Kristofer Tvingstedt; Viktor Andersson; Fengling Zhang; Olle Inganäs

2007-01-01T23:59:59.000Z

324

Frequency-dependent reflectivity of shock-compressed xenon plasmas  

Science Journals Connector (OSTI)

Results for the reflection coefficient of shock-compressed dense xenon plasmas at pressures of 1.6–20 GPa and temperatures around 30 000 K using laser beams of wavelengths 1.06 ?m and 0.694 ?m are presented, which indicate metallic behavior at high densities. For the theoretical description of the experiments, a quantum statistical approach to the dielectric function is used. The comparison with molecular dynamics simulations is discussed. We conclude that reflectivity measurements at different wavelengths can provide information about the density profile of the shock wave front.

H. Reinholz, Yu. Zaporoghets, V. Mintsev, V. Fortov, I. Morozov, and G. Röpke

2003-09-26T23:59:59.000Z

325

Effect of window reflections on photonic Doppler velocimetry measurements  

SciTech Connect (OSTI)

Photonic Doppler velocimetry (PDV) has rapidly become a standard diagnostic for measuring velocities in dynamic compression research. While free surface velocity measurements are fairly straightforward, complications occur when PDV is used to measure a dynamically loaded sample through a window. Fresnel reflections can severely affect the velocity and time resolution of PDV measurements, especially for low-velocity transients. Shock experiments of quartz compressed between two sapphire plates demonstrate how optical window reflections cause ringing in the extracted PDV velocity profile. Velocity ringing is significantly reduced by using either a wedge window or an antireflective coating.

Ao, T.; Dolan, D. H. [Sandia National Laboratories, Albuquerque, New Mexico 87185 (United States)

2011-02-15T23:59:59.000Z

326

Remaining Sites Verification Package for the 100-C-9:2 Sanitary Sewer Pipelines, Waste Site Reclassification Form 2004-013  

SciTech Connect (OSTI)

The 100-C-9:2 sanitary sewer pipelines include the feeder pipelines associated with the 1607-B8, the 1607-B9, the 1607-B10 and the 1607-B11 septic systems. Contaminated soil and piping from the feeder lines to the septic systems were removed and disposed of. The remaining soil in the excavations has been shown to meet the remedial action objectives specified in the Remaining Sites ROD. The results of verification sampling show that residual contaminant concentrations do not preclude any future uses and allow for unrestricted use of shallow zone soils. The results also demonstrate that residual contaminant concentrations are protective of groundwater and the Columbia River.

L. M. Dittmer

2007-07-11T23:59:59.000Z

327

Reflection Survey At Rye Patch Area (DOE GTP, 2011) | Open Energy...  

Open Energy Info (EERE)

Reflection Survey At Rye Patch Area (DOE GTP, 2011) Exploration Activity Details Location Rye Patch Area Exploration Technique Reflection Survey Activity Date Usefulness not...

328

As we enter 2014, it is no secret that retail merchants remain one of the favorite targets of organized cyber thieves focused on stealing  

E-Print Network [OSTI]

As we enter 2014, it is no secret that retail merchants remain one of the favorite targets organizations. For large retailers, the burden of complying with the PCI DSS is often daunting, if not nearly impossible, at times. The complex, distributed environments of large retailers present unique challenges

Fisher, Kathleen

329

DEWEK Wind Energy Conference 2012 Category: 4. Simulation models BACKWARD EXTRAPOLATION OF SHORT-TIME MEASUREMENT DATA FOR A REMAINING SERVICE LIFE ESTIMATION OF WIND  

E-Print Network [OSTI]

DEWEK Wind Energy Conference 2012 Category: 4. Simulation models 1 BACKWARD EXTRAPOLATION OF SHORT-TIME MEASUREMENT DATA FOR A REMAINING SERVICE LIFE ESTIMATION OF WIND TURBINES Dipl.-Ing. René Kamieth, Prof. Dr, Germany, Tel.: +49-(0)30-314-23603, Fax: +49-(0)30-314-26131 Summary Wind turbines built in the last

Berlin,Technische Universität

330

Skin cancer detection by oblique-incidence diffuse reflectance spectroscopy  

E-Print Network [OSTI]

Skin cancer is the most common form of cancer and it is on the rise. If skin cancer is diagnosed early enough, the survival rate is close to 90%. Oblique-incidence diffuse reflectance (OIR) spectroscopy offers a technology that may be used...

Smith, Elizabeth Brooks

2009-05-15T23:59:59.000Z

331

Shear-wave crosswell reflection imaging in west Texas  

SciTech Connect (OSTI)

Crosswell reflection imaging was recently introduced as a method for high-resolution (of the order of a few feet) imaging of reservoirs. P-wave imaging was successfully tested on short and intermediate-offset crosswell profiles. Although shear-wave imaging was demonstrated with a short-offset (187 feet) data set, it was generally believed that high-frequency shear imaging at larger interwell distances might not be feasible, because the high-frequency shear waves will suffer large attenuation losses, resulting in poor signal-to-noise ratios for the shear-wave reflections. In this paper the authors present a real-data study, illustrating that shear-wave imaging was feasible at a west Texas carbonate reservoir for an interwell distance of 586 feet. Although the shear direct arrival and reflections are not always evident in the raw gathers processing and stacking enhances them enough to allow imaging of the interwell area for the whole depth range covered by the survey. The results clearly indicate that further work on shear-wave crosswell reflection imaging is warranted.

Lazaratos, S.K.; Marion, B.P. [TomoSeis Inc., Houston, TX (United States); Langan, R. [Chevron Petroleum Technology, La Habra, CA (United States); Harris, J.M. [Stanford Univ., CA (United States)

1994-12-31T23:59:59.000Z

332

Fiber optic hydrophone sensor arrays using low reflectance internal mirrors  

E-Print Network [OSTI]

A new design of fiber optic hydrophone sensor arrays phics. using low reflectance internal mirrors in optical fibers is investigated. The mirrors are produced by fusion arc splicing of two fibers, one of which has a thin film of TiO2 on the end. A...

Lee, Jong-Seo

2012-06-07T23:59:59.000Z

333

Green functions and Macdonald functions associated to complex reflection groups  

E-Print Network [OSTI]

Green functions and Macdonald functions associated to complex reflection groups Toshiaki Shoji Department of Mathematics Science University of Tokyo Noda, Chiba 278­8510, Japan 1. Introduction 1.1. Green functions are introduced by J.A. Green [G] in 1955, in connection with the representation theory of general

Shoj, Toshiaki

334

ON GREEN FUNCTIONS ASSOCIATED TO COMPLEX REFLECTION GROUPS  

E-Print Network [OSTI]

ON GREEN FUNCTIONS ASSOCIATED TO COMPLEX REFLECTION GROUPS TOSHIAKI SHOJI Department of Mathematics Science University of Tokyo Noda, Chiba 278­8510, Japan §1. What are the Green functions Green functions are introduced by J.A. Green[G] in 1955, in connection with the representation theory of general linear groups GL

Shoj, Toshiaki

335

GREEN FUNCTIONS ASSOCIATED TO COMPLEX REFLECTION GROUPS, II  

E-Print Network [OSTI]

GREEN FUNCTIONS ASSOCIATED TO COMPLEX REFLECTION GROUPS, II TOSHIAKI SHOJI Department of Mathematics Science University of Tokyo Noda, Chiba 278­8510, Japan Abstract. Green functions associated­Littlewood functions associated to W are introduced, and Green functions are described as the transition matrix between

Shoj, Toshiaki

336

ON GREEN FUNCTIONS ASSOCIATED TO COMPLEX REFLECTION GROUPS  

E-Print Network [OSTI]

ON GREEN FUNCTIONS ASSOCIATED TO COMPLEX REFLECTION GROUPS University of Tokyo Noda, Chiba 278-8510, Japan x1. What are the Green functions Green functions are introduced by J.A. Green[G] in 1955, in connection with * *the

Shoj, Toshiaki

337

Seismic reflection analysis of the Manson Impact Structure, Iowa  

E-Print Network [OSTI]

trough diameter of around 21 km, a shallow floor (0.6–0.7 km), and a central uplift that has a minimum diameter of 7.5 km. The two reflection lines are coincidentally located along an east-west radial transect and are constrained by shallow drill...

Keiswetter, Dean; Black, Ross A.; Steeples, Don W.

1996-03-10T23:59:59.000Z

338

Reflecting Back, or What Can the French Tell  

E-Print Network [OSTI]

' or `relief' theories.3 The French word humour is used occasionally in this broad sense (particularly92 Reflecting Back, or What Can the French Tell The English About Humour? WILL NOONAN L-mère. (English humour highlights with bitterness and despair the absurdity of the world. French humour makes fun

Paris-Sud XI, Université de

339

Beilstein-Institut Reflections on Energy Conversion in  

E-Print Network [OSTI]

Beilstein-Institut Reflections on Energy Conversion in Biological and Biomimetic Systems Athel by conversion of the heat into work, chemical energy or electrical power, and the inevitable energy losses 2011 Abstract In principle any form of energy (light, electrical, potential, chemical, kinetic energy

340

Toward Infusing Modular and Reflective Design Learning throughout the Curriculum  

E-Print Network [OSTI]

Toward Infusing Modular and Reflective Design Learning throughout the Curriculum John C. Georgas intervention that cen- ters on the widespread infusion of design learning throughout the curriculum using: An emphasis on broadly infusing design learning through the curriculum using modular design challenges

Georgas, John

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

A 16-ELEMENT REFLECTION GRID AMPLIFIER Frederic Lecuyer1  

E-Print Network [OSTI]

, which can double as a large metal heat sink. Otherwise, the operation of reflection grid amplifiers to improve common- Mirror/Heat Sink Active GridInput Polarizer Active Grid Output Polarizer E Output Beam E Input Beam E Output Beam Differential Transistor Pair E Input Beam Mirror/Heat Sink Active Grid

342

The Reflection pattern in the immune system Junichi Suzuki  

E-Print Network [OSTI]

, Graduate School of Science and Technology, Keio University Yokohama, 223­8522, Japan +81­45­563­3925 suzuki University Yokohama, 223­8522, Japan +81­45­563­3925 yama@cs.keio.ac.jp Abstract Reflection is a design and household example and an example in the immune system. We believe our work helps understand the intent

Suzuki, Jun

343

Comment on the question of reflection asymmetry in Pa229  

Science Journals Connector (OSTI)

The alpha decay hindrance factors from the Pa229 5/2+ ground state to the 5/2± parity doublet bands in Ac225 suggest strong reflection asymmetry in Pa229 and the expectation that a 5/2± parity doublet will be found in this nucleus.

Raymond K. Sheline

1993-09-01T23:59:59.000Z

344

A New Method for Simultaneous Measurement of the Integrated Reflectivity of Crystals at Multiple Orders of Reflection and Comparison with New Theoretical Calculations  

SciTech Connect (OSTI)

This paper describes a new method for the simultaneous measurement of the integrated reflectivity of a crystal for multiple orders of reflection at a predefined Bragg angle. The technique is demonstrated with a mica crystal for Bragg angles of 43{sup o}, 47{sup o}, and 50{sup o}. The measured integrated reflectivity for Bragg reflections up to the 24th order is compared with new theoretical predictions, which are also presented in this paper.

S.G. Lee; J.G. Bak; Y.S. Jung; M. Bitter; K.W. Hill; G. Hoelzer; O. Wehrhan; E. Foerster

2003-04-09T23:59:59.000Z

345

The reflective lens : the effects of video analysis on preservice teacher development  

E-Print Network [OSTI]

reflections. Wisconsin. Danielewicz, J. , & NetLibrary2002; Clark, 2001; Danielewicz & NetLibrary Inc. , 2001;

Halter, Christopher P.

2006-01-01T23:59:59.000Z

346

U-043: Attachmate Reflection Buffer Overflow in FTP Client Lets Remote  

Broader source: Energy.gov (indexed) [DOE]

3: Attachmate Reflection Buffer Overflow in FTP Client Lets 3: Attachmate Reflection Buffer Overflow in FTP Client Lets Remote Servers Execute Arbitrary Code U-043: Attachmate Reflection Buffer Overflow in FTP Client Lets Remote Servers Execute Arbitrary Code November 22, 2011 - 8:00am Addthis PROBLEM: Attachmate Reflection Buffer Overflow in FTP Client Lets Remote Servers Execute Arbitrary Code. PLATFORM: 14.1.1173 and prior versions The following product versions are affected: Reflection for HP version 14.x Reflection for UNIX and OpenVMS version 14.x Reflection for ReGIS Graphics version 14.x Reflection for IBM version 14.x Reflection X version 14.x ABSTRACT: A remote server can execute arbitrary code on the connected target system. reference LINKS: Security Updates and Reflection Attachmate Support Lifecycle Attachmate Downloads

347

U-043: Attachmate Reflection Buffer Overflow in FTP Client Lets Remote  

Broader source: Energy.gov (indexed) [DOE]

3: Attachmate Reflection Buffer Overflow in FTP Client Lets 3: Attachmate Reflection Buffer Overflow in FTP Client Lets Remote Servers Execute Arbitrary Code U-043: Attachmate Reflection Buffer Overflow in FTP Client Lets Remote Servers Execute Arbitrary Code November 22, 2011 - 8:00am Addthis PROBLEM: Attachmate Reflection Buffer Overflow in FTP Client Lets Remote Servers Execute Arbitrary Code. PLATFORM: 14.1.1173 and prior versions The following product versions are affected: Reflection for HP version 14.x Reflection for UNIX and OpenVMS version 14.x Reflection for ReGIS Graphics version 14.x Reflection for IBM version 14.x Reflection X version 14.x ABSTRACT: A remote server can execute arbitrary code on the connected target system. reference LINKS: Security Updates and Reflection Attachmate Support Lifecycle Attachmate Downloads

348

Remaining Sites Verification Package for the 118-C-3:3, 105-C French Drains, Waste Site Reclassification Form 2006-016  

SciTech Connect (OSTI)

The 118-C-3:3 french drains received condensate from the steam heating system in the 105-C Reactor Building. The 118-C-3:3 french drain meets the remedial action objectives specified in the Remaining Sites ROD. The results demonstrate that residual contaminant concentrations do not preclude any future uses and allow for unrestricted use of shallow zone soils. The results also demonstrate that residual contaminant concentrations are protective of groundwater and the Columbia River.

R. A. Carlson

2006-04-24T23:59:59.000Z

349

Low Stocks Mean Tight Markets  

Gasoline and Diesel Fuel Update (EIA)

6 6 Notes: Like those for other petroleum products, gasoline inventories have been running below normal. As of the latest weekly data, stocks are about 5% lower than the low end of the normal range for this time of year. Behind all of the low product inventories are low crude oil inventories. Recall that the crude market tightened in 1999 when OPEC cut back production. Demand was greater than supply and inventories were used to make up the difference. They have not yet recovered. Crude oil inventories are running about 7% below the low end of the normal range for this time of year. After last week's very large stock draw, it appears inventories are the lowest that they have been since December 1975. The U.S. inventory data will be an important price barometer to

350

Time Correlations in Backscattering Radar Reflectivity Measurements from Cirrus Clouds  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Time Correlations in Backscattering Radar Reflectivity Time Correlations in Backscattering Radar Reflectivity Measurements from Cirrus Clouds K. Ivanova, H. N. Shirer, and E. E. Clothiaux Pennsylvania State University University Park, Pennsylvania T. P. Ackerman Pacific Northwest National Laboratory Richland, Washington Introduction The state variables of the atmosphere exhibit correlations at various spatial and temporal scales. These correlations are crucial for understanding short- and long-term trends in climate. Cirrus clouds are important phenomena in the troposphere affecting climate. To improve future parameterization of cirrus clouds in climate models, we must understand the cloud properties and how they change within the cloud. We consider fluctuations of cloud radar signals obtained at isodepths within cirrus clouds

351

Sustainable Transport: from Bullock Carts to Bugatis: Reflections on Major  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Sustainable Transport: from Bullock Carts to Bugatis: Reflections on Major Sustainable Transport: from Bullock Carts to Bugatis: Reflections on Major Transport Issues North and South Speaker(s): Lee Schipper Date: August 16, 2001 - 12:00pm Location: Bldg. 90 Seminar Host/Point of Contact: Marcia Beck This talk reviews quantitative and qualitative trends in urban transportation and environment, focusing on developing countries. Reviewing recent efforts to look at transportation, the talk adopts a definition of "sustainable transportation" that includes economic and environmental sustainability as well as equity as key criteria. It is argued that governance sustainability is also important if policies and technologies are to reduce the main externalities from urban transport. An important identity is introduced to relate emissions to traffic, modal share, fuel

352

Subcritical Noise Measurements with a Nickel-Reflected Plutonium Sphere  

SciTech Connect (OSTI)

Subcritical measurements were conducted with an a-phase plutonium sphere reflected by nickel hemishells using the 252Cf Source-Driven Noise Analysis (CSDNA) method to provide criticality safety benchmark data. Measured configurations included a bare plutonium sphere as well as the plutonium sphere reflected by the following nickel thicknesses: 1.27, 2.54, 3.81, 5.08, and 7.62 cm. A certain ratio of spectral quantities was measured for each configuration which varies linearly with the keff of the system. In addition, two types of Monte Carlo calculations were employed: a modified version of MCNP to calculate the ratio of spectral quantities and a KCODE calculation. From the measured and computed quantities the multiplication of each configuration can be approximated. A comprehensive uncertainty analysis was then performed that includes uncertainties in the geometry and materials present in the system in addition to the uncertainties in the method and nuclear data.

Jesson D. Hutchinson; John D. Bess

2009-11-01T23:59:59.000Z

353

Method and apparatus for inspecting reflection masks for defects  

DOE Patents [OSTI]

An at-wavelength system for extreme ultraviolet lithography mask blank defect detection is provided. When a focused beam of wavelength 13 nm is incident on a defective region of a mask blank, three possible phenomena can occur. The defect will induce an intensity reduction in the specularly reflected beam, scatter incoming photons into an off-specular direction, and change the amplitude and phase of the electric field at the surface which can be monitored through the change in the photoemission current. The magnitude of these changes will depend on the incident beam size, and the nature, extent and size of the defect. Inspection of the mask blank is performed by scanning the mask blank with 13 nm light focused to a spot a few .mu.m in diameter, while measuring the reflected beam intensity (bright field detection), the scattered beam intensity (dark-field detection) and/or the change in the photoemission current.

Bokor, Jeffrey (Oakland, CA); Lin, Yun (Berkeley, CA)

2003-04-29T23:59:59.000Z

354

Reflection Survey At Coso Geothermal Area (2001) | Open Energy Information  

Open Energy Info (EERE)

Exploration Activity: Reflection Survey At Coso Geothermal Area (2001) Exploration Activity Details Location Coso Geothermal Area Exploration Technique Reflection Survey Activity Date 2001 Usefulness not indicated DOE-funding Unknown Exploration Basis Look for features that are characteristic of the geothermal producing region not originally seen by imaging the Coso Field using seismic Notes During December of 1999, approximately 32 miles of seismic data were acquired as part of a detailed seismic investigation undertaken by the US Navy Geothermal Program Office. Data acquisition was designed to make effective use of advanced data processing methods, which include Optim's proprietary nonlinear velocity optimization technique and pre-stack Kirchhoff migration. The velocity models from the 2-D lines were combined

355

An asymptotic model of seismic reflection from a permeable layer  

SciTech Connect (OSTI)

Analysis of compression wave propagation in a poroelastic medium predicts a peak of reflection from a high-permeability layer in the low-frequency end of the spectrum. An explicit formula expresses the resonant frequency through the elastic moduli of the solid skeleton, the permeability of the reservoir rock, the fluid viscosity and compressibility, and the reservoir thickness. This result is obtained through a low-frequency asymptotic analysis of Biot's model of poroelasticity. A review of the derivation of the main equations from the Hooke's law, momentum and mass balance equations, and Darcy's law suggests an alternative new physical interpretation of some coefficients of the classical poroelasticity. The velocity of wave propagation, the attenuation factor, and the wave number, are expressed in the form of power series with respect to a small dimensionless parameter. The absolute value of this parameter is equal to the product of the kinematic reservoir fluid mobility and the wave frequency. Retaining only the leading terms of the series leads to explicit and relatively simple expressions for the reflection and transmission coefficients for a planar wave crossing an interface between two permeable media, as well as wave reflection from a thin highly-permeable layer (a lens). Practical applications of the obtained asymptotic formulae are seismic modeling, inversion, and at-tribute analysis.

Silin, D.; Goloshubin, G.

2009-10-15T23:59:59.000Z

356

Community Reflects on Pivotal Moment in History with B Reactor  

Broader source: Energy.gov [DOE]

RICHLAND, Wash. – Buses carried about 200 members of the community by the remains of an old high school, bank, and other relics of former Hanford town sites once home to tens of thousands of workers who produced plutonium for the Manhattan Project, World War II, and Cold War.

357

Achieving Acceptable Air Quality: Some Reflections on Controlling Vehicle Emissions  

Science Journals Connector (OSTI)

...ignore service or check-engine warning lights. The variability...emitting vehicles. Off-cycle operation. The remaining...adequately included in the FTP cycle. Emissions from one high...been neglected entirely. Diesel engines, which are used in the...

J. G. Calvert; J. B. Heywood; R. F. Sawyer; J. H. Seinfeld

1993-07-02T23:59:59.000Z

358

X-RAY REFLECTED SPECTRA FROM ACCRETION DISK MODELS. III. A COMPLETE GRID OF IONIZED REFLECTION CALCULATIONS  

SciTech Connect (OSTI)

We present a new and complete library of synthetic spectra for modeling the component of emission that is reflected from an illuminated accretion disk. The spectra were computed using an updated version of our code XILLVER that incorporates new routines and a richer atomic database. We offer in the form of a table model an extensive grid of reflection models that cover a wide range of parameters. Each individual model is characterized by the photon index {Gamma} of the illuminating radiation, the ionization parameter {xi} at the surface of the disk (i.e., the ratio of the X-ray flux to the gas density), and the iron abundance A{sub Fe} relative to the solar value. The ranges of the parameters covered are 1.2 {<=} {Gamma} {<=} 3.4, 1 {<=} {xi} {<=} 10{sup 4}, and 0.5 {<=} A{sub Fe} {<=} 10. These ranges capture the physical conditions typically inferred from observations of active galactic nuclei, and also stellar-mass black holes in the hard state. This library is intended for use when the thermal disk flux is faint compared to the incident power-law flux. The models are expected to provide an accurate description of the Fe K emission line, which is the crucial spectral feature used to measure black hole spin. A total of 720 reflection spectra are provided in a single FITS file (http://hea-www.cfa.harvard.edu/{approx}javier/xillver/) suitable for the analysis of X-ray observations via the atable model in XSPEC. Detailed comparisons with previous reflection models illustrate the improvements incorporated in this version of XILLVER.

Garcia, J.; McClintock, J. E. [Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138 (United States); Dauser, T.; Wilms, J.; Eikmann, W. [Dr. Karl Remeis-Observatory and Erlangen Centre for Astroparticle Physics, Sternwartstr. 7, D-96049 Bamberg (Germany); Reynolds, C. S. [Department of Astronomy, University of Maryland, College Park, MD (United States); Kallman, T. R., E-mail: javier@head.cfa.harvard.edu, E-mail: jem@cfa.harvard.edu, E-mail: chris@astro.umd.edu, E-mail: thomas.dauser@sternwarte.uni-erlangen.de, E-mail: joern.wilms@sternwarte.uni-erlangen.de, E-mail: wiebke.eikmann@sternwarte.uni-erlangen.de, E-mail: timothy.r.kallman@nasa.gov [NASA Goddard Space Flight Center, Greenbelt, MD 20771 (United States)

2013-05-10T23:59:59.000Z

359

GAO-11-520T Federal Real Property: Progress Made on Planning and Data, but Unneeded Owned and Leased Facilities Remain  

Broader source: Energy.gov (indexed) [DOE]

Economic Economic Development, Public Buildings and Emergency Management, Committee on Transportation and Infrastructure, House of Representatives FEDERAL REAL PROPERTY Progress Made on Planning and Data, but Unneeded Owned and Leased Facilities Remain Statement of David J. Wise, Director Physical Infrastructure Issues Brian J. Lepore, Director Defense Capabilities and Management Issues For Release on Delivery Expected at 10:00 a.m. EDT Wednesday, April 6, 2011 GAO-11-520T Accountability * Integrity * Reliability Highlights of GAO-11-520T, a testimony before the Subcommittee on Economic Development, Public Buildings, and Emergency Management, Committee on Transportation and Infrastructure, House of Representatives. April 6, 2011 FEDERAL REAL PROPERTY

360

Remaining Sites Verification Package for the 100-F-31, 144-F Sanitary Sewer System, Waste Site Reclassification Form 2006-033  

SciTech Connect (OSTI)

The 100-F-31 waste site is a former septic system that supported the inhalation laboratories, also referred to as the 144-F Particle Exposure Laboratory (132-F-2 waste site), which housed animals exposed to particulate material. The 100-F-31 waste site has been remediated to achieve the remedial action objectives specified in the Remaining Sites ROD. The results of verification sampling show that residual contaminant concentrations do not preclude any future uses and allow for unrestricted use of shallow zone soils. The results also demonstrate that residual contaminant concentrations are protective of groundwater and the Columbia River.

L. M. Dittmer

2006-08-24T23:59:59.000Z

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Remaining Sites Verification Package for the 100-F-33, 146-F Aquatic Biology Fish Ponds, Waste Site Reclassification Form 2006-021  

SciTech Connect (OSTI)

The 100-F-33, 146-F Aquatice Biology Fish Ponds waste site was an area with six small rectangular ponds and one large circular pond used to conduct tests on fish using various mixtures of river and reactor effluent water. The current site conditions achieve the remedial action objectives specified in the Remaining Sites ROD. The results of verification and applicable confirmatory sampling show that residual contaminant concentrations do not preclude any future uses and allow for unrestricted use of shallow zone soils. The results also demonstrate that residual contaminant concentrations are protective of groundwater and the Columbia River.

L. M. Dittmer

2006-08-25T23:59:59.000Z

362

Remaining Sites Verification Package for the 100-B-1 Surface Chemical and Solid Waste Dumping Area, Waste Site Reclassification Form 2006-003  

SciTech Connect (OSTI)

The 100-B-1 waste site was a dumping site that was divided into two areas. One area was used as a laydown area for construction materials, and the other area was used as a chemical dumping area. The 100-B-1 Surface Chemical and Solid Waste Dumping Area site meets the remedial action objectives specified in the Remaining Sites ROD. The results demonstrate that residual contaminant concentrations support future unrestricted land uses that can be represented by a rural-residential scenario. The results also demonstrate that residual contaminant concentrations are protective of groundwater and the Columbia River.

R. A. Carlson

2006-04-24T23:59:59.000Z

363

Reflection nebulae in the Galactic Center: the case for soft X-ray imaging polarimetry  

E-Print Network [OSTI]

The origin of irradiation and fluorescence of the 6.4 keV bright giant molecular clouds surrounding Sgr A*, the central supermassive black hole of our Galaxy, remains enigmatic. Testing the theory of a past active period of Sgr A* requires X-ray polarimetry. In this paper, we show how modern imaging polarimeters could revolutionize our understanding of the Galactic Center. Through Monte Carlo modeling, we produce a 4-8 keV polarization map of the Galactic Center, focusing on the polarimetric signature produced by Sgr B1, Sgr B2, G0.11-0.11, Bridge E, Bridge D, Bridge B2, MC2, MC1, Sgr C3, Sgr C2, and Sgr C1. We estimate the resulting polarization, include polarized flux dilution by the diffuse plasma emission detected toward the GC, and simulate the polarization map that modern polarimetric detectors would obtain assuming the performances of a mission prototype. The eleven reflection nebulae investigated in this paper present a variety of polarization signatures, ranging from nearly unpolarized to highly pola...

Marin, F; Soffitta, P; Karas, V; Kunneriath, D

2015-01-01T23:59:59.000Z

364

The RealGas and RealGasH2O options of the TOUGH+ code for the simulation of coupled fluid and heat flow in tight/shale gas systems  

Science Journals Connector (OSTI)

We developed two new EOS additions to the TOUGH+ family of codes, the RealGasH2O and RealGas. The RealGasH2O EOS option describes the non-isothermal two-phase flow of water and a real gas mixture in gas reservoirs, with a particular focus in ultra-tight ... Keywords: Coupled flow and heat flow, Fractured media, Multicomponent flow, Numerical simulation, Real gas mixture, Shale gas

George J. Moridis, Craig M. Freeman

2014-04-01T23:59:59.000Z

365

Generalized approximations of reflection coefficients in orthorhombic media  

Science Journals Connector (OSTI)

Reflection coefficients of qP- (quasi-P) and qS- (quasi-S) incident waves in orthorhombic media can be explicitly expressed by means of impedance matrices. In this paper, we extend previous studies and derive the generalized and linearized equations of reflectivity for all four types of waves in the symmetry-axis plane. These approximations have sufficient accuracy over a wide range of angles, therefore they are suitable for characterizing the seismic amplitude responses of unconventional resources. For example, they can be applied to represent the amplitude variation with offset for shale gas or coalbed methane reservoirs with strong anisotropy and complicated symmetry. Reduced equations are then derived in a transverse isotropic medium with a vertical symmetry axis (VTI) or a horizontal axis (HTI) for the anisotropic amplitude inversion. They retain higher accuracy than the corresponding previously published expressions at a strongly anisotropic interface, because they include the second-order terms of anisotropic parameters contrast. Numerical analyses on the inverse problem using different linearized expressions show the practical value of the new derived expressions in the joint inversion of the qPqP- and qPqS-waves for elastic parameters and anisotropic parameters.

Feng Zhang; Xiangyang Li

2013-01-01T23:59:59.000Z

366

Benchmark Evaluation of Plutonium Hemispheres Reflected by Steel and Oil  

SciTech Connect (OSTI)

During the period from June 1967 through September 1969 a series of critical experiments was performed at the Rocky Flats Critical Mass Laboratory with spherical and hemispherical plutonium assemblies as nested hemishells as part of a Nuclear Safety Facility Experimental Program to evaluate operational safety margins for the Rocky Flats Plant. These assemblies were both bare and fully or partially oil-reflected. Many of these experiments were subcritical with an extrapolation to critical configurations or critical at a particular oil height. Existing records reveal that 167 experiments were performed over the course of 28 months. Unfortunately, much of the data was not recorded. A reevaluation of the experiments had been summarized in a report for future experimental and computational analyses. This report examines only fifteen partially oil-reflected hemispherical assemblies. Fourteen of these assemblies also had close-fitting stainless-steel hemishell reflectors, used to determine the effective critical reflector height of oil with varying steel-reflector thickness. The experiments and their uncertainty in keff values were evaluated to determine their potential as valid criticality benchmark experiments of plutonium.

John Darrell Bess

2008-06-01T23:59:59.000Z

367

$\\mu$-$\\tau$ reflection symmetry and radiative corrections  

E-Print Network [OSTI]

The $\\mu$-$\\tau$ reflection symmetry is compatible with current neutrino oscillation data and easily realized under family symmetries. We prove that this symmetry preserves $\\theta_{23}=45^\\circ$, $\\delta=\\pm90^\\circ$, $\\rho,\\sigma=0,90^\\circ$, and can be embedded into the seesaw mechanism. The $\\mu$-$\\tau$ reflection symmetry preserved at a high energy scale $\\Lambda_\\text{FS}$ will be broken by radiative corrections and result in deviations of $\\theta_{23}$ from $45^\\circ$ and $\\delta$ from $\\pm90^\\circ$ at the electroweak scale. We develop an analytical method to derive the corrections to all the mixing parameters. We perform a numerical analysis in the MSSM for $\\delta=-90^\\circ$ at $\\Lambda_\\text{FS}$, and observe that $\\theta_{23}>45^\\circ$ in the normal mass ordering, $\\theta_{23}<45^\\circ$ in the inverted mass ordering, and the sizable correction to $\\delta$ prefers a negative sign. These deviations have definite directions and can be tested in the future neutrino oscillation experiments.

Zhou, Ye-Ling

2014-01-01T23:59:59.000Z

368

Effects of emitter sheath ion reflection and trapped ions on thermionic converter performance using an isothermal electron model  

SciTech Connect (OSTI)

This paper couples exact collisionless sheath calculations to an isothermal electron model of a thermionic converter. The emitter sheath structure takes into account reflected ions, trapped ions, and surface emission ions. It is shown that lessening the net loss of ions at the emitter in the ignited mode by these phenomena degrades performance. In addition, it is shown that when the emitter returns too many of the ions, the arc is extinguished because there is insufficient resistive heating to maintain the necessary plasma electron temperature for ionization. These results suggest that the ignited mode cannot be improved much. However, nonignited modes in which the electron temperature remains low, such as the pulsed mode, do not suffer from this adverse behavior.

Main, G.L.; Lam, S.H.

1987-06-01T23:59:59.000Z

369

Neutron Reflection Method for the Fast Estimation of the Neutron Removal Cross Section in Complex Materials  

Science Journals Connector (OSTI)

The present paper is devoted to expand the use of neutron reflection method for the fast estimation of ... dependence of the removal cross section from the neutron reflection coefficient was found. The sensitivit...

L. Desdin; L. M. García

2000-11-01T23:59:59.000Z

370

V-142: Oracle Java Reflection API Flaw Lets Remote Users Execute...  

Broader source: Energy.gov (indexed) [DOE]

2: Oracle Java Reflection API Flaw Lets Remote Users Execute Arbitrary Code V-142: Oracle Java Reflection API Flaw Lets Remote Users Execute Arbitrary Code April 25, 2013 - 12:14am...

371

Reflecting the Revised PM 2.5 National Ambient Air Quality Standard...  

Broader source: Energy.gov (indexed) [DOE]

Reflecting the Revised PM 2.5 National Ambient Air Quality Standard in NEPA Evaluations Reflecting the Revised PM 2.5 National Ambient Air Quality Standard in NEPA Evaluations This...

372

Non-linear multiparameter inversion using a hybrid global search algorithm: applications in reflection seismology  

Science Journals Connector (OSTI)

......global search algorithm: applications in reflection seismology Pengcheng Liu 1 Stephen Hartzell 2 William Stephenson 2 1 Institute...global search algorithm: applications in reflection seismology Pengcheng Liu,' Stephen Hartzel12and William Stephenson2 'lnstiture......

Pengcheng Liu; Stephen Hartzell; William Stephenson

1995-12-01T23:59:59.000Z

373

Reduction in Vehicle Temperatures and Fuel Use from Cabin Ventilation, Solar-Reflective Paint, and a New Solar-Reflective Glazing  

SciTech Connect (OSTI)

An analysis to determine the impact of reducing the thermal load on a vehicle using solar-reflective paint and glazing.

Rugh, J.; Chaney, L.; Meyer, J.; Rustagi, M.; Olson, K.; Kogler, R.

2007-05-01T23:59:59.000Z

374

Remaining Sites Verification Package for the 100-D-9 Boiler Fuel Oil Tank Site, Waste Site Reclassification Form 2006-030  

SciTech Connect (OSTI)

The 100-D-9 site is the former location of an underground storage tank used for holding fuel for the 184-DA Boiler House. Results of soil-gas samples taken from six soil-gas probes in a rectangle around the site the tank had been removed from concluded that there were no volatile organic compounds at detectable levels in the area. The 100-D-9 Boiler Fuel Oil Tank Site meets the remedial action objectives specified in the Remaining Sites ROD. The results demonstrated that residual contaminant concentrations do not preclude any future uses and allow for unrestricted use of shallow zone soils. The results also demonstrate that residual contaminant concentrations are protective of groundwater and the Columbia River.

L. M. Dittmer

2006-08-10T23:59:59.000Z

375

Remaining Sites Verification Package for the 1607-B2 Septic System and 100-B-14:2 Sanitary Sewer System, Waste Site Reclassification Form 2006-055  

SciTech Connect (OSTI)

The 1607-B2 waste site is a former septic system associated with various 100-B facilities, including the 105-B, 108-B, 115-B/C, and 185/190-B buildings. The site was evaluated based on confirmatory results for feeder lines within the 100-B-14:2 subsite and determined to require remediation. The 1607-B2 waste site has been remediated to achieve the remedial action objectives specified in the Remaining Sites ROD. The results of verification sampling show that residual contaminant concentrations do not preclude any future uses and allow for unrestricted use of shallow zone soils. The results also demonstrate that residual contaminant concentrations are protective of groundwater and the Columbia River.

L. M. Dittmer

2007-03-21T23:59:59.000Z

376

Light Water Reactor Sustainability (LWRS) Program – Non-Destructive Evaluation (NDE) R&D Roadmap for Determining Remaining Useful Life of Aging Cables in Nuclear Power Plants  

SciTech Connect (OSTI)

Executive Summary [partial] The purpose of the non-destructive evaluation (NDE) R&D Roadmap for Cables is to support the Materials Aging and Degradation (MAaD) R&D pathway. A workshop was held to gather subject matter experts to develop the NDE R&D Roadmap for Cables. The focus of the workshop was to identify the technical gaps in detecting aging cables and predicting their remaining life expectancy. The workshop was held in Knoxville, Tennessee, on July 30, 2012, at Analysis and Measurement Services Corporation (AMS) headquarters. The workshop was attended by 30 experts in materials, electrical engineering, and NDE instrumentation development from the U.S. Nuclear Regulatory Commission (NRC), U.S. Department of Energy (DOE) National Laboratories (Oak Ridge National Laboratory, Pacific Northwest National Laboratory, Argonne National Laboratory, and Idaho National Engineering Laboratory), universities, commercial NDE service vendors and cable manufacturers, and the Electric Power Research Institute (EPRI).

Simmons, K.L.; Ramuhali, P.; Brenchley, D.L.; Coble, J.B.; Hashemian, H.M.; Konnick, R.; Ray, S.

2012-09-01T23:59:59.000Z

377

Light Water Reactor Sustainability (LWRS) Program – Non-Destructive Evaluation (NDE) R&D Roadmap for Determining Remaining Useful Life of Aging Cables in Nuclear Power Plants  

SciTech Connect (OSTI)

The purpose of the non-destructive evaluation (NDE) R&D Roadmap for Cables is to support the Materials Aging and Degradation (MAaD) R&D pathway. The focus of the workshop was to identify the technical gaps in detecting aging cables and predicting their remaining life expectancy. The workshop was held in Knoxville, Tennessee, on July 30, 2012, at Analysis and Measurement Services Corporation (AMS) headquarters. The workshop was attended by 30 experts in materials, electrical engineering, U.S. Nuclear Regulatory Commission (NRC), U.S. Department of Energy (DOE) National Laboratories (Oak Ridge National Laboratory, Pacific Northwest National Laboratory, Argonne National Laboratory, and Idaho National Engineering Laboratory), NDE instrumentation development, universities, commercial NDE services and cable manufacturers, and Electric Power Research Institute (EPRI). The motivation for the R&D roadmap comes from the need to address the aging management of in-containment cables at nuclear power plants (NPPs).

Simmons, Kevin L.; Ramuhalli, Pradeep; Brenchley, David L.; Coble, Jamie B.; Hashemian, Hash; Konnik, Robert; Ray, Sheila

2012-09-14T23:59:59.000Z

378

Remaining Sites Verification Package for the 100-F-46, 119-F Stack Sampling French Drain, Waste Site Reclassification Form 2008-021  

SciTech Connect (OSTI)

The 100-F-46 french drain consisted of a 1.5 to 3 m long, vertically buried, gravel-filled pipe that was approximately 1 m in diameter. Also included in this waste site was a 5 cm cast-iron pipeline that drained condensate from the 119-F Stack Sampling Building into the 100-F-46 french drain. In accordance with this evaluation, the confirmatory sampling results support a reclassification of this site to No Action. The current site conditions achieve the remedial action objectives and the corresponding remedial action goals established in the Remaining Sites ROD. The results of confirmatory sampling show that residual contaminant concentrations do not preclude any future uses and allow for unrestricted use of shallow zone soils. The results also demonstrate that residual contaminant concentrations are protective of groundwater and the Columbia River.

J. M. Capron

2008-08-08T23:59:59.000Z

379

Remaining Sites Verification Package for the 100-C-9:1 Main Process Sewer Collection Line, Waste Site Reclassification Form 2004-012  

SciTech Connect (OSTI)

The 100-C-9:1 main process sewer pipeline, also known as the twin box culvert, was a dual reinforced process sewer that collected process effluent from the 183-C and 190-C water treatment facilities, discharging at the 132-C-2 Outfall. For remedial action purposes, the 100-C-9:1 waste site was subdivided into northern and southern sections. The 100-C-9:1 subsite has been remediated to achieve the remedial action objectives specified in the Remaining Sites ROD. The results of verification sampling show that residual contaminant concentrations do not preclude any future uses and allow for unrestricted use of shallow zone soils. The results also demonstrate that residual contaminant concentrations are protective of groundwater and the Columbia River.

L. M. Dittmer

2007-06-11T23:59:59.000Z

380

Remaining Sites Verification Package for the 128-F-2, 100-F Burning Pit Waste Site, Waste Site Reclassification Form 2008-031  

SciTech Connect (OSTI)

The 128-F-2 waste site consisted of multiple burn and debris filled pits located directly east of the 107-F Retention Basin and approximately 30.5 m east of the northeast corner of the 100-F Area perimeter road that runs along the riverbank. The burn pits were used for incinerating nonradioactive, combustible materials from 1945 to 1965. In accordance with this evaluation, the verification sampling results support a reclassification of this site to Interim Closed Out. The current site conditions achieve the remedial action objectives and the corresponding remedial action goals established in the Remaining Sites ROD. The results of verification sampling show that residual contaminant concentrations do not preclude any future uses and allow for unrestricted use of shallow zone soils. The results also demonstrate that residual contaminant concentrations are protective of groundwater and the Columbia River.

J. M. Capron

2008-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Remaining Sites Verification Package for the 100-F-26:9, 1607-F2 Sanitary Sewer Pipelines, Waste Site Reclassification Form 2008-029  

SciTech Connect (OSTI)

The 100-F-26:9 underground pipeline subsite consists of the sanitary sewers servicing the 105-F, 108-F, 184-F, 185-F, and 190-F buildings, and the 1700-F administration and service buildings (1704-F, 1707-F, 1707-FA, 1713-F, 1717-F, 1719-F, and 1722-F). In accordance with this evaluation, the confirmatory and verification sampling results support a reclassification of this site to Interim Closed Out. The current site conditions achieve the remedial action objectives and the corresponding remedial action goals established in the Remaining Sites ROD. The results of verification sampling show that residual contaminant concentrations do not preclude any future uses and allow for unrestricted use of shallow zone soils. The results also demonstrate that residual contaminant concentrations are protective of groundwater and the Columbia River.

J. M. Capron

2008-10-29T23:59:59.000Z

382

Remaining Sites Verification Package for the 100-B-20, 1716-B Maintenance Garage Underground Tank, Waste Site Reclassification Form 2006-019  

SciTech Connect (OSTI)

The 100-B-20 waste site, located in the 100-BC-1 Operable Unit of the Hanford Site, consisted of an underground oil tank that once serviced the 1716-B Maintenance Garage. The selected action for the 100-B-20 waste site involved removal of the oil tanks and their contents and demonstrating through confirmatory sampling that all cleanup goals have been met. In accordance with this evaluation, a reclassification status of interim closed out has been determined. The results demonstrate that the site will support future unrestricted land uses that can be represented by a rural-residential scenario. These results also show that residual concentrations support unrestricted future use of shallow zone soil and that contaminant levels remaining in the soil are protective of groundwater and the Columbia River.

L. M. Dittmer

2006-09-27T23:59:59.000Z

383

An evaluation of known remaining oil resources in the state of California: Project on advanced oil recovery and the states. Volume 2  

SciTech Connect (OSTI)

The Interstate Oil and Gas Compact Commission (IOGCC) has conducted a series of studies to evaluate the known, remaining oil resource in twenty-three (23) states. The primary objective of die IOGCC`s effort is to examine the potential impact of an aggressive and focused program of research, development, and demonstration (RD&D) and technology transfer on future oil recovery in the United States. As part of a larger effort by the IOGCC, this report focuses on the potential economic benefits of improved oil recovery in the state of California. Individual reports for seven other oil producing states and a national report have been separately published by the IOGCC. Several major technical insights for state and Federal policymakers and regulators can be reached from this analysis. Overall, well abandonments and more stringent environmental regulations could limit economic access to the nation`s known, remaining oil resource. The high risk of near-term abandonment and the significant benefits of future application of improved oil recovery technoloy, clearly point to a need for more aggressive transfer of currently available technologies to domestic oil producers. Development and application of advanced oil recovery technologies could leave even greater benefits to the nation. A collaborative, focused RD&D effort, integrating the resources and expertise of industry, state and local governments, and the Federal government, is clearly warranted. With effective RD&D and a program of aggressive technology transfer to widely disseminate its results, California oil production could be maximized. The resulting increase and improvement in production rates, employment, operator profits, state and Federal tax revenues, energy security will benefit both the state of California and the nation as a whole.

NONE

1993-11-01T23:59:59.000Z

384

An evaluation of known remaining oil resources in the United States: Project on advanced oil recovery and the states. Volume 1  

SciTech Connect (OSTI)

The Interstate Oil and Gas Compact Commission (IOGCC) has conducted a series of studies to evaluate the known, remaining oil resource in twenty-three (23) states. The primary objective of die IOGCC`s effort is to examine the potential impact of an aggressive and focused program of research, development, and demonstration (RD&D) and technology transfer on future oil recovery in the United States. As part of a larger effort by the IOGCC, this report focuses on the potential economic, social, and political benefits of improved oil recovery to the nation as a whole. Individual reports for major oil producing states have been separately published. The individual state reports include California, Illinois, Kansas, Louisiana, New Mexico, Oklahoma, Texas, and Wyoming. Overall, well abandonments and more stringent environmental regulations could limit economic access to the nation`s known, remaining oil resource. The high risk of near-term abandonment and the significant benefits of future application of improved oil recovery technoloy, clearly point to a need for more aggressive transfer of currently available technologies to domestic oil producers. Development and application of advanced oil recovery technologies could leave even greater benefits to the nation. A collaborative, focused RD&D effort, integrating the resources and expertise of industry, state and local governments, and the Federal government, is clearly warranted. With effective RD&D and a program of aggressive technology transfer to widely disseminate its results, domestic oil production could be maximized. The resulting increase and improvement in production rates, employment, operator profits, state and Federal tax revenues, energy security will benefit the nation as a whole.

NONE

1993-11-01T23:59:59.000Z

385

An evaluation of known remaining oil resources in the state of California. Volume 2, Project on Advanced Oil Recovery and the States  

SciTech Connect (OSTI)

The Interstate Oil and Gas Compact Commission (IOGCC) has conducted a series of studies to evaluate the known, remaining oil resource in twenty-three (23) states. The primary objective of the IOGCC`s effort is to examine the potential impact of an aggressive and focused program of research, development, and demonstration (RD&D) and technology transfer on future oil recovery in the United States. As a part of this larger effort by the IOGCC, this report focuses on the potential economic benefits of improved oil recovery in the state of California. Individual reports for seven other oil producing states and a national report have been separately published by the IOGCC. The analysis presented in this report is based on the databases and models available in the Tertiary Oil Recovery Information System (TORIS). Overall, well abandonments and more stringent environmental regulations could limit economic access to California`s known, remaining oil resource. The high risk of near-term abandonment and the significant benefits of future application of improved oil recovery technology, clearly point to a need for more aggressive transfer of currently available technologies to oil producers. Development and application of advanced oil recovery technologies could have even greater benefits to the state and the nation. A collaborative, focused RD&D effort, integrating the resources and expertise of industry, state and local governments, and the Federal government, is clearly warranted. With effective RD&D and a program of aggressive technology transfer to widely disseminate its results, California oil production could be maximized. The resulting increase in production rates, employment, operator profits, state and Federal tax revenues, and energy security will benefit both the state of California and the nation as a whole.

Not Available

1994-10-01T23:59:59.000Z

386

An evaluation of known remaining oil resources in the state of New Mexico and Wyoming. Volume 4, Project on Advanced Oil Recovery and the States  

SciTech Connect (OSTI)

The Interstate Oil and Gas Compact Commission (IOGCC) has conducted a series of studies to evaluate the known, remaining oil resource in twenty-three (23) states. The primary objective of the IOGCC`s effort is to examine the potential impact of an aggressive and focused program of research, development, and demonstration (RD&D) and technology transfer on future oil recovery in the United States. As part of a larger effort by the IOGCC, this report focuses on the potential economic benefits of improved oil recovery in the states of New Mexico and Wyoming. Individual reports for six other oil producing states and a national report have been separately published by the IOGCC. The analysis presented in this report is based on the databases and models available in the Tertiary Oil Recovery Information System (TORIS). Overall, well abandonments and more stringent environmental regulations could limit economic access to New Mexico`s known, remaining oil resource. The high risk of near-term abandonment and the significant benefits of future application of improved oil recovery technology, clearly point to a need for more aggressive transfer of currently available technologies to domestic oil producers. Development and application of advanced oil recovery technologies could have even greater benefits to the state and the nation. A collaborative, focused RD&D effort, integrating the resources and expertise of industry, state and local governments, and the Federal government, is clearly warranted. With effective RD&D and a program of aggressive technology transfer to widely disseminate its results, oil production could be maximized. The resulting increase in production rates, employment, operator profits, state and Federal tax revenues, and energy security will benefit both the states of New Mexico and Wyoming and the nation as a whole.

Not Available

1994-11-01T23:59:59.000Z

387

X-ray reflectivity measurements of liquid/solid interfaces under high hydrostatic pressure conditions  

Science Journals Connector (OSTI)

A high hydrostatic pressure cell for X-ray reflectivity measurements at the solid/liquid interface is presented.

Wirkert, F.J.

2013-11-02T23:59:59.000Z

388

Quantum reflection and interference of matter waves from periodically doped surfaces  

E-Print Network [OSTI]

We show that periodically doped, flat surfaces can act as reflective diffraction gratings for atomic and molecular matter waves. The diffraction element is realized by exploiting that charged dopants locally suppress quantum reflection from the Casimir-Polder potential. We present a general quantum scattering theory for reflection off periodically charged surfaces and discuss the requirements for the observation of multiple diffraction peaks.

Benjamin A. Stickler; Uzi Even; Klaus Hornberger

2015-01-15T23:59:59.000Z

389

Shaping of Thin Grazing-Incidence Reflection Grating Substrates via Magnetorheological Finishing  

E-Print Network [OSTI]

for sub-arcsecond reflection optics. Keywords: x-ray optics, Constellation-X, reflection gratings, thin, such as Constellation-X,1 rely on grazing-incidence reflection gratings to provide the necessary high diffraction efficiency and dispersion for soft x-ray photons in the energy range of approximately 0.25 - 2.0 keV (0.6 - 5

390

Linearity and CNR Improvement Technologies against Optical Reflection inFiber-Oriented Wireless Access Systems  

Science Journals Connector (OSTI)

It is important to consider optical reflection conditions when designing fiber-oriented wireless access systems around subcarrier optical transmission since the noise characteristic can be significantly degraded by optical reflection, especially ... Keywords: intensity noise, optical reflection, predistorter, subcarrier optical transmission, superimposed subcarrier modulation, superluminescent diode

Yuji Aburakawa; Hiroyuki Ohtsuka

2000-11-01T23:59:59.000Z

391

Statistical Analysis of Spatial Point Patterns on Deep Seismic Reflection Data: A Preliminary Test  

E-Print Network [OSTI]

Statistical Analysis of Spatial Point Patterns on Deep Seismic Reflection Data: A Preliminary Test analysis may provide a new tool for analysing spatial variations in reflection data. Key Words: Deep The purpose of this paper is to present spatial point pattern analyses of seismic reflection data in an effort

Schmidt, Volker

392

Measurements of submillimeter polarization induced by oblique reflection from aluminum alloy  

E-Print Network [OSTI]

Measurements of submillimeter polarization induced by oblique reflection from aluminum alloy Tom of submillimeter radiation when it is obliquely reflected by a flat mirror made of aluminum alloy. For angles by oblique reflection from aluminum alloy at a wavelength of 1 cm agrees with the prediction of the ordinary

Novak, Giles

393

VLF/LF reflectivity of the polar ionosphere. Report for 2 September-22 December 1979  

SciTech Connect (OSTI)

This report provides a summary of high latitude ionospheric reflectivity as observed by the USAF high resolution VLF/LF ionosounder operating in northern Greenland. Ionospheric reflectivity parameters, including reflection heights and coefficients, are presented as a function of time of day. Riometer and magnetometer measurements of the polar propagation environment are presented as supplementary data.

Pagliarulo, R.P.; Turtle, J.P.; Rasmussen, J.E.; Klemetti, W.I.

1980-06-01T23:59:59.000Z

394

Comparison of explosive and vibroseis source energy penetration during COCORP deep seismic reflection profiling in the Williston basin  

SciTech Connect (OSTI)

Comparison of high-fold (50) vibroseis recordings with coincident low-fold (6) explosive source data from deep reflection surveys in the Williston Basin indicates that while vibroseis generated energy decays to ambient noise levels at 7--9 s two-way traveltime (twtt) (20--30 km depth), energy from explosive sources remains above ambient levels to 35--60 s twtt (105--180 km depth). Moreover, single, moderately sized (30 kg) and well-placed charges proved to be as effective as larger (90 kg) sources at penetrating to mantle traveltimes in this area. However, the explosive source energy proved highly variable, with source-to-ground coupling being a major limiting factor in shot efficacy. Stacked results from the vibroseis sources provide superior imagery of shallow and moderate crustal levels by virtue of greater redundancy and shot-to-shot uniformity; shot statics, low fold, and ray-path distortion across the relatively large (24--30 km aperture) spreads used during the explosive recording have proven to be especially problematic in producing conventional seismic sections. In spite of these complications, the explosive source recording served its primary purpose in confirming Moho truncation and the presence of a dipping reflection fabric in the upper mantle along the western flank of the Trans-Hudson orogen buried beneath the Williston Basin.

Steer, D.N.; Brown, L.D.; Knapp, J.H.; Baird, D.J. [Cornell Univ., Ithaca, NY (United States)] [Cornell Univ., Ithaca, NY (United States)

1996-01-01T23:59:59.000Z

395

Model for reflectance anisotropy spectra of molecular layered systems  

Science Journals Connector (OSTI)

We present a theoretical study based on the local field interaction for the reflectance anisotropy spectra of organic molecular layers. Each layer is formed by an ordered two-dimensional array of polarizable organic molecules that respond to the local electric field like point-like harmonic oscillators. We concentrate on the morphological characteristics of the layers and its effect on the spectra, showing that the reorientation of the molecules from layer to layer, as the system is assembled, gives rise to a line shape of the spectra that goes from peak-like to derivative-like. Our spectra shows good qualitative agreement with experimental results of a layered system of metalloporphyrin octaesters molecules deposited onto an isotropic gold substrate by the Langmuir-Schaefer technique.

Bernardo S. Mendoza and R. A. Vázquez-Nava

2005-07-05T23:59:59.000Z

396

Aberration-free, all-reflective laser pulse stretcher  

DOE Patents [OSTI]

An all-reflective pulse stretcher for laser systems employing chirped-pulse amplification enables on-axis use of the focusing mirror which results in ease of use, significantly decreased sensitivity to alignment and near aberration-free performance. By using a new type of diffraction grating which contains a mirror incorporated into the grating, the stretcher contains only three elements: 1) the grating, 2) a spherical or parabolic focusing mirror, and 3) a flat mirror. Addition of a fourth component, a retro-reflector, enables multiple passes of the same stretcher resulting in stretching ratios beyond the current state of the art in a simple and compact design. The pulse stretcher has been used to stretch pulses from 20 fsec to over 600 psec (a stretching ratio in excess of 30,000).

Perry, Michael D. (Livermore, CA); Banks, Paul S. (Livermore, CA); Stuart, Brent C. (Fremont, CA); Fochs, Scott N. (Livermore, CA)

1999-09-28T23:59:59.000Z

397

Noise Estimate of Pendular Fabry-Perot through Reflectivity Change  

E-Print Network [OSTI]

A key issue in developing pendular Fabry-Perot interferometers as very accurate displacement measurement devices, is the noise level. The Fabry-Perot pendulums are the most promising device to detect gravitational waves, and therefore the background and the internal noise should be accurately measured and reduced. In fact terminal masses generates additional internal noise mainly due to thermal fluctuations and vibrations. We propose to exploit the reflectivity change, that occurs in some special points, to monitor the pendulums free oscillations and possibly estimate the noise level. We find that in spite of long transients, it is an effective method for noise estimate. We also prove that to only retain the sequence of escapes, rather than the whole time dependent dynamics, entails the main characteristics of the phenomenon. Escape times could also be relevant for future gravitational wave detector developments.

Addesso, Paolo; Filatrella, Giovanni

2014-01-01T23:59:59.000Z

398

Copper-assisted, anti-reflection etching of silicon surfaces  

DOE Patents [OSTI]

A method (300) for etching a silicon surface (116) to reduce reflectivity. The method (300) includes electroless deposition of copper nanoparticles about 20 nanometers in size on the silicon surface (116), with a particle-to-particle spacing of 3 to 8 nanometers. The method (300) includes positioning (310) the substrate (112) with a silicon surface (116) into a vessel (122). The vessel (122) is filled (340) with a volume of an etching solution (124) so as to cover the silicon surface (116). The etching solution (124) includes an oxidant-etchant solution (146), e.g., an aqueous solution of hydrofluoric acid and hydrogen peroxide. The silicon surface (116) is etched (350) by agitating the etching solution (124) with, for example, ultrasonic agitation, and the etching may include heating (360) the etching solution (124) and directing light (365) onto the silicon surface (116). During the etching, copper nanoparticles enhance or drive the etching process.

Toor, Fatima; Branz, Howard

2014-08-26T23:59:59.000Z

399

The Effect of Non-Lambertian Surface Reflectance on Aerosol Radiative Forcing  

SciTech Connect (OSTI)

Surface reflectance is an important factor in determining the strength of aerosol radiative forcing. Previous studies of radiative forcing assumed that the reflected surface radiance is isotropic and does not depend on incident illumination angle. This Lambertian reflection model is not a very good descriptor of reflectance from real land and ocean surfaces. In this study we present computational results for the seasonal average of short and long wave aerosol radiative forcing at the top of the atmosphere and at the surface. The effect of the Lambertian assumption is found through comparison with calculations using a more detailed bi-direction reflectance distribution function (BRDF).

Ricchiazzi, P.; O'Hirok, W.; Gautier, C.

2005-03-18T23:59:59.000Z

400

An evaluation of known remaining oil resources in the United States: Project on advanced oil recovery and the states. Volume 1  

SciTech Connect (OSTI)

The Interstate Oil and Gas Compact Commission (IOGCC) has conducted a series of studies to evaluate the known, remaining oil resource in twenty-three (23) states. The primary objective of the IOGCC`s effort is to examine the potential impact of an aggressive and focused program of research, development, and demonstration (RD&D) and technology transfer on future oil recovery in the United States. As part of a larger effort by the IOGCC, this report focuses on the potential economic, social, and political benefits of improved oil recovery to the nation as a whole. Individual reports for major oil producing states have been separately published. The individual state reports include California, Illinois, Kansas, Louisiana, New Mexico, Oklahoma, Texas, and Wyoming. The analysis presented in this report is based on the databases and models available in the Tertiary Oil Recovery Information System (TORIS). TORIS is a tested and verified system maintained and operated by the Department of Energy`s Bartlesville Project Office. The TORTS system was used to evaluate over 2,300 major reservoirs in a consistent manner and on an individual basis, the results of which have been aggregated to arrive at the national total.

Not Available

1994-10-01T23:59:59.000Z

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

DESIGN AND CONSTRUCTION OF A FORCE-REFLECTING TELEOPERATION SYSTEM  

SciTech Connect (OSTI)

For certain applications, such as space servicing, undersea operations, and hazardous material handling tasks in nuclear reactors, the environments can be uncertain, complex, and hazardous. Lives may be in danger if humans were to work under these conditions. As a result, a man-machine system--a teleoperator system--has been developed to work in these types of environments. In a typical teleoperator system, the actual system operates at a remote site; the operator located away from this system usually receives visual information from a video image and/or graphical animation on the computer screen. Additional feedback, such as aural and force information, can significantly enhance performance of the system. Force reflection is a type of feedback in which forces experienced by the remote manipulator are fed back to the manual controller. Various control methods have been proposed for implementation on a teleoperator system. In order to examine different control schemes, a one Degree-Of-Freedom (DOF) Force-Reflecting Manual Controller (FRMC) is constructed and integrated into a PC. The system parameters are identified and constructed as a mathematical model. The Proportional-Integral-Derivative (PID) and fuzzy logic controllers are developed and tested experimentally. Numerical simulation results obtained from the mathematical model are compared with those of experimental data for both types of controllers. In addition, the concept of a telesensation system is introduced. A telesensation system is an advanced teleoperator system that attempts to provide the operator with sensory feedback. In this context, a telesensation system integrates the use of a Virtual Reality (VR) unit, FRMC, and Graphical User Interface (GUI). The VR unit is used to provide the operator with a 3-D visual effect. Various commercial VR units are reviewed and features compared for use in a telesensation system. As for the FRMC, the conceptual design of a 3-DOF FRMC is developed in an effort to make the system portable, compact, and lightweight. A variety of design alternatives are presented and evaluated. Finally, a GUI software package is developed to interface with several teleoperation unit components. These components include an industrial robot, electric motor, encoder, force/torque sensor, and CCD camera. The software includes features such as position scaling, force scaling, and rereferencing and is intended to provide a sound basis for the development of a multi-DOF FRMC system in the future.

M.A. Ebadian, Ph.D.

1999-01-01T23:59:59.000Z

402

Criticality Benchmark Analysis of Water-Reflected Uranium Oxyfluoride Slabs  

SciTech Connect (OSTI)

A series of twelve experiments were conducted in the mid 1950's at the Oak Ridge National Laboratory Critical Experiments Facility to determine the critical conditions of a semi-infinite water-reflected slab of aqueous uranium oxyfluoride (UO2F2). A different slab thickness was used for each experiment. Results from the twelve experiment recorded in the laboratory notebook were published in Reference 1. Seven of the twelve experiments were determined to be acceptable benchmark experiments for the inclusion in the International Handbook of Evaluated Criticality Safety Benchmark Experiments. This evaluation will not only be available to handbook users for the validation of computer codes and integral cross-section data, but also for the reevaluation of experimental data used in the ANSI/ANS-8.1 standard. This evaluation is important as part of the technical basis of the subcritical slab limits in ANSI/ANS-8.1. The original publication of the experimental results was used for the determination of bias and bias uncertainties for subcritical slab limits, as documented by Hugh Clark's paper 'Subcritical Limits for Uranium-235 Systems'.

Margaret A. Marshall; John D. Bess

2009-11-01T23:59:59.000Z

403

Space-fractional advection-diffusion and reflective boundary condition  

Science Journals Connector (OSTI)

Anomalous diffusive transport arises in a large diversity of disordered media. Stochastic formulations in terms of continuous time random walks (CTRWs) with transition probability densities showing space- and/or time-diverging moments were developed to account for anomalous behaviors. A broad class of CTRWs was shown to correspond, on the macroscopic scale, to advection-diffusion equations involving derivatives of noninteger order. In particular, CTRWs with Lévy distribution of jumps and finite mean waiting time lead to a space-fractional equation that accounts for superdiffusion and involves a nonlocal integral-differential operator. Within this framework, we analyze the evolution of particles performing symmetric Lévy flights with respect to a fluid moving at uniform speed v. The particles are restricted to a semi-infinite domain limited by a reflective barrier. We show that the introduction of the boundary condition induces a modification in the kernel of the nonlocal operator. Thus, the macroscopic space-fractional advection-diffusion equation obtained is different from that in an infinite medium.

Natalia Krepysheva; Liliana Di Pietro; Marie-Christine Néel

2006-02-22T23:59:59.000Z

404

Three-dimensional light trap for reflective particles  

DOE Patents [OSTI]

A system for containing either a reflective particle or a particle having an index of refraction lower than that of the surrounding media in a three-dimensional light cage. A light beam from a single source illuminates an optics system and generates a set of at least three discrete focussed beams that emanate from a single exit aperture and focus on to a focal plane located close to the particle. The set of focal spots defines a ring that surrounds the particle. The set of focussed beams creates a "light cage" and circumscribes a zone of no light within which the particle lies. The surrounding beams apply constraining forces (created by radiation pressure) to the particle, thereby containing it in a three-dimensional force field trap. A diffractive element, such as an aperture multiplexed lens, or either a Dammann grating or phase element in combination with a focusing lens, may be used to generate the beams. A zoom lens may be used to adjust the size of the light cage, permitting particles of various sizes to be captured and contained.

Neal, Daniel R. (Tijeras, NM)

1999-01-01T23:59:59.000Z

405

Water-Moderated and -Reflected Slabs of Uranium Oxyfluoride  

SciTech Connect (OSTI)

A series of ten experiments were conducted at the Oak Ridge National Laboratory Critical Experiment Facility in December 1955, and January 1956, in an attempt to determine critical conditions for a slab of aqueous uranium oxyfluoride (UO2F2). These experiments were recorded in an Oak Ridge Critical Experiments Logbook and results were published in a journal of the American Nuclear Society, Nuclear Science and Engineering, by J. K. Fox, L. W. Gilley, and J. H. Marable (Reference 1). The purpose of these experiments was to obtain the minimum critical thickness of an effectively infinite slab of UO2F2 solution by extrapolation of experimental data. To do this the slab thickness was varied and critical solution and water-reflector heights were measured using two different fuel solutions. Of the ten conducted experiments eight of the experiments reached critical conditions but the results of only six of the experiments were published in Reference 1. All ten experiments were evaluated from which five critical configurations were judged as acceptable criticality safety benchmarks. The total uncertainty in the acceptable benchmarks is between 0.25 and 0.33 % ?k/keff. UO2F2 fuel is also evaluated in HEU-SOL-THERM-043, HEU-SOL-THERM-011, and HEU-SOL-THERM-012, but these those evaluation reports are for large reflected and unreflected spheres. Aluminum cylinders of UO2F2 are evaluated in HEU-SOL-THERM-050.

Margaret A. Marshall; John D. Bess; J. Blair Briggs; Clinton Gross

2010-09-01T23:59:59.000Z

406

Double and Negative Reflection of Cold Atoms in Non-Abelian Gauge Potentials  

SciTech Connect (OSTI)

Atom reflection is studied in the presence of a non-Abelian vector potential proportional to a spin-1/2 operator. The potential is produced by a relatively simple laser configuration for atoms with a tripod level scheme. We show that the atomic motion is described by two different dispersion branches with positive or negative chirality. As a consequence, atom reflection shows unusual features, since an incident wave may split into two reflected ones at a barrier, an ordinary specular reflection, and an additional nonspecular one. Remarkably, the latter wave can exhibit negative reflection and may become evanescent if the angle of incidence exceeds a critical value. These reflection properties are crucial for future designs in non-Abelian atom optics.

Juzeliunas, Gediminas [Institute of Theoretical Physics and Astronomy of Vilnius University, A. Gostauto 12, Vilnius 01108 (Lithuania); Department of Physics and Technology, Vilnius Pedagogical University, Studentu 39, Vilnius 08106 (Lithuania); Ruseckas, Julius [Institute of Theoretical Physics and Astronomy of Vilnius University, A. Gostauto 12, Vilnius 01108 (Lithuania); Jacob, Andreas; Santos, Luis [Institut fuer Theoretische Physik, Leibniz Universitaet, Hannover D30167 (Germany); Oehberg, Patrik [SUPA, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS (United Kingdom)

2008-05-23T23:59:59.000Z

407

Soiling of building envelope surfaces and its effect on solar reflectance - Part II: Development of an accelerate aging method for roofing materials  

E-Print Network [OSTI]

values of solar reflectance and thermal emittance attainedreport values of solar reflectance and thermal emittance ofaverage aged solar reflectance and thermal emittance values

, Mohamad Sleiman

2014-01-01T23:59:59.000Z

408

Some effects of range upon AN/CPS-9 radar reflectivities in thunderstorms  

E-Print Network [OSTI]

of Department) January 1961 Echo height and radar reflectivity measurements are obtained for central and southeast Texas thunderstorms. Storms are classified into five categories according to the severity of surface weather reported by cooper- ative... observers ~ U. S. Weather Bureau severe storm summaries, and news- paper clippings. Median profiles of the reflectivities are constructed, and comparisons are made between reflectivities measured at various ranges. Regression curves are obtained which...

Sanford, Tom E

2012-06-07T23:59:59.000Z

409

Evaluation of Advanced Heliostat Reflective Facets on Cost and Performance  

Science Journals Connector (OSTI)

Abstract Heliostat reflective facets have traditionally been constructed with glass/silver and metal back support, which may be near reaching its minimum cost point. During the past year, Sandia National Laboratories evaluated alternative low-cost materials and manufacturing methods to construct facets with the goal of reducing current facet cost by at least 25% while maintaining surface slope errors of 1 milli-radians RMS or below. Several companies developed prototype facet samples, which were optically evaluated at Sandia and compared to baseline facet samples using a proposed cost-to-performance metric. A cost-performance metric for comparing facets was developed by modeling and optimizing the hypothetical SunShot 200 \\{MWe\\} power tower plant scenario in DELSOL, a computer code for system-level modeling of power tower systems. We varied the slope error on the facets and adjusted the cost on the facets to maintain a constant plant levelized cost of energy (LCOE). The result of these models provided a chart of the facet optical performance and the allowable facet cost for a constant plant LCOE. The size of the prototype facet samples ranged from 1.4 to 3 m2. The measured optical slope errors were between 1 and 2 milli- radians RMS when compared to a flat mirror design shape. Despite slope errors greater than 1 milli-radians RMS, some of the prototype samples met the cost goals for this project using the cost-performance metric. Next steps are to work with the companies to improve the manufacturing processes and further reduce the cost and improve on the optical performance to reach Department of Energy SunShot goal of $75/m2 for heliostats.

J. Yellowhair; C.E. Andraka

2014-01-01T23:59:59.000Z

410

Home, Home (Video) on the Range: Reflections on Small-Town Video Stores in 2010  

E-Print Network [OSTI]

Home,Home (Video) on the Range Reflections on Small-Town VideoFields Journal no. 1 (2010) Home, Home (Video) on the Range

Herbert, Daniel

2010-01-01T23:59:59.000Z

411

Synthesis of Multipole Acoustic Logging Measurements Using the Generalized Reflection/Transmission Matrices Method  

E-Print Network [OSTI]

Synthesis of Multipole Acoustic Logging Measurements Using the Generalized Reflection analytical method that has been used in multipole waveform synthesis for radially multilayered formations

Torres-Verdín, Carlos

412

Reflection Survey At Fish Lake Valley Area (DOE GTP) | Open Energy...  

Open Energy Info (EERE)

(1 January 2011) GTP ARRA Spreadsheet Additional References Retrieved from "http:en.openei.orgwindex.php?titleReflectionSurveyAtFishLakeValleyArea(DOEGTP)&oldid402617...

413

E-Print Network 3.0 - attenuated total reflectance-fourier Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

(AA) monomerswas visualized and analyzed using attenuated total reflection-Fourier transform Source: Freger, Viatcheslav "Slava" - Zuckerberg Institute for Water Research,...

414

E-Print Network 3.0 - attenuated total reflection-fourier Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

(AA) monomerswas visualized and analyzed using attenuated total reflection-Fourier transform Source: Freger, Viatcheslav "Slava" - Zuckerberg Institute for Water Research,...

415

Characterization of Diffuse Reflectance FT-IR Spectrometry for Heterogeneous Catalyst Studies  

Science Journals Connector (OSTI)

The characteristics of diffuse reflectance (DR) infrared spectrometry for the study of adsorbed species were investigated. DR spectra of adsorbed CO on supported catalysts with a...

Van Every, Kenneth W; Griffiths, Peter R

1991-01-01T23:59:59.000Z

416

E-Print Network 3.0 - albedo reflectance Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Implications for the surface energy budget Summary: albedo to the extrapolation algorithm andor to the Bidirectional Reflectance Distribution Function (BRDF... ;hemispheric...

417

E-Print Network 3.0 - atrophy rate reflecting Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

search results for: atrophy rate reflecting Page: << < 1 2 3 4 5 > >> 1 Evaluation of Brain Atrophy Estimation Algorithms using Simulated Ground-Truth Data Summary: diseases....

418

Anisotropic dynamic model of forbidden reflections in x-ray diffraction  

Science Journals Connector (OSTI)

A dynamic model of anisotropic x-ray diffraction is developed using two-wave approximation. A dispersion surface equation is derived for the screw-axis and glide-plane forbidden reflections. Propagation and polarization phenomena of waves are discussed. The deductions show that all these forbidden reflections may be excited except the 00l (l=2n+1) reflections for a 63 screw axis and the 00l (l=6n+3) reflections for 61 and 65 screw axes. The general methods are illustrated by their application to the rutile structure.

Yong Li, Yi Ding, X. R. Huang, X. S. Wu, W. J. Liu, and S. S. Jiang

1999-09-01T23:59:59.000Z

419

Long-pitch cholesteric liquid crystal cell for switchable achromatic reflection  

Science Journals Connector (OSTI)

We propose a switchable achromatic reflector using a long-pitch cholesteric liquid crystal (CLC) whose Bragg reflection wavelength is chosen to be infrared by controlling the pitch...

Kim, Ki-Han; Jin, Hye-Jung; Park, Kyoung-Ho; Lee, Joun-Ho; Kim, Jae Chang; Yoon, Tae-Hoon

2010-01-01T23:59:59.000Z

420

Reflection Survey At Oceanic-Marine Systems (Singh, Et Al., 1999...  

Open Energy Info (EERE)

Oceanic-Marine Systems (Singh, Et Al., 1999) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Reflection Survey At Oceanic-Marine Systems (Singh,...

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Optical and Thermal Characterization of High Reflective Surface with Applications in Thermal-Solar Technology  

Science Journals Connector (OSTI)

Selective solar absorbing coating consists of a high thermal reflectance layer and high solar absorbance layer deposited over a substrate. In this work optical and thermal properties...

Macias, Juan Daniel; Ramirez Rincon, Jorge Andres; Lizama Tzec, Francisco Ivan; Ares Muzio, Oscar Eduardo; Oskam, Gerko; De Coss Gomez, Romeo; Alvarado Gil, Juan José

422

Optical and Thermal Characterization of High Reflection Surfaces with Applcations in Thermal-Solar Technology  

Science Journals Connector (OSTI)

Selective solar absorbing coating consists of a high thermal reflectance layer and a high solar absorbance layer deposited over a substrate. In this work optical and thermal properties...

Macias, Juan Daniel; Ramirez Rincon, Jorge Andres; Lizama Tzec, Francisco Ivan; Ares Muzio, Oscar Eduardo; Oskam, Gerko; De Coss Gomez, Romeo; Alvarado Gil, Juan José

423

Anatomy-Based Algorithms for Detecting Oral Cancer Using Reflectance and Fluorescence Spectroscopy  

E-Print Network [OSTI]

OBJECTIVES: We used reflectance and fluorescence spectroscopy to noninvasively and quantitatively distinguish benign from dysplastic/malignant oral lesions. We designed diagnostic algorithms to account for differences in ...

McGee, Sasha

424

Planetary Wave Breaking and Nonlinear Reflection: Seasonal Cycle and Interannual Variability  

E-Print Network [OSTI]

On the effects of the Hadley circu- lation and westerly2002: Effect of the Hadley circulation on the reflection ofdue to the strong wintertime Hadley circulation. The Hadley

Abatzoglou, John T; Magnusdottir, Gudrun

2006-01-01T23:59:59.000Z

425

E-Print Network 3.0 - architecture reflects pluripotency Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Search Powered by Explorit Topic List Advanced Search Sample search results for: architecture reflects pluripotency Page: << < 1 2 3 4 5 > >> 1 Leading Edge Chromatin...

426

CONCRETE REFLECTED ARRAYS OF U(93.2) METAL  

SciTech Connect (OSTI)

During the period from 1963 – 1973, experiments involving highly enriched uranium units were performed at the Oak Ridge National Laboratory Critical Experiments Facility to determine various critical configurations of three-dimensional arrays. The experiments formed a four-part series, and were reported by several different experimenters; the results of interest for this evaluation are those reported for the fourth experimentation, Critical Three-Dimensional Arrays of Neutron Interacting Units: Part IV, published and performed by D.W.Magnuson (Ref 1). Information is also available in the logbook . This set of experiments utilized subcritical metal units on a split table apparatus to determine critical configurations for 2×2×2 arrangements of highly enriched uranium reflected by concrete. Magnuson manipulated the configuration of several uranium cylinders and blocks within a concrete reflector. The different permutations utilized uranium cylinders of two different heights in various positions in the three dimensional array; certain cases also placed thin uranium blocks on top of the cylinders. The thickness of the surrounding concrete, as well as the inner dimensions of the concrete reflector was also varied in certain cases. The variations resulted in fourteen different experimental permutations or configurations. All fourteen configurations were judged to be unacceptable for use as criticality safety benchmarks. All experiments were initially evaluated; however only three configurations were evaluated in detail. Configurations 2, 4, 6 and 12 were not evaluated in detail because they are subcritical and configurations 5, 7, 8, 9, and 10 were also were not evaluated in detail because they were supercritical by more than beta effective (~0.007), or prompt critical. The experiments evaluated in detail for this benchmark were configurations 1, 3, and 11. The experimental report also contains the information for HEU-MET-FAST-056. Closely related work has been recorded in HEU-MET-FAST-053, which is a benchmark evaluation of a different series of three dimensional array experiments with four different moderator materials. HEU-MET-FAST-023 and HEU-MET-FAST-026 are also related because they utilize the same metal cylinders as these experiments.

Mackenzie Gorham; John D. Bess; J. Blair Briggs; Virginia Dean; Davis Reed

2010-09-01T23:59:59.000Z

427

Doubles counting of highly multiplying items in reflective surroundings  

SciTech Connect (OSTI)

When a neutrons are counted from a spontaneously fissile multiplying item in a reflecting environment the temporal behavior of the correlated signal following neutron birth is complex. At early times the signal is dominated by prompt fission events coming from spontaneous fission bursts and also from prompt fast-neutron induced fission events. At later times neutrons 'returning' from the surroundings induce fission and give rise to an additional chain of correlated events. The prompt and returning components probe the fissile and fertile constituents of the item in different ways and it is potentially beneficial to exploit this fact. In this work we look at how the two components can be represented using a linear combination of two simple functions. Fitting of the composite function to the capture time distribution represents one way of quantifying the proportion of each contribution. Another approach however is to use a dual shift register analysis where after each triggering event two coincidence gates are opened, one close to the trigger that responds preferentially to the prompt dynamics and one later in time which is more sensitive to the returning neutron induced events. To decide on the best gate positions and gate widths and also to estimate the counting precision we can use the analytical fit to work out the necessary gate utilization factors which are required in both these calculations. In this work, we develop the approach. Illustrative examples are given using spent Low Enriched Uranium (LEU) Pressurized light Water Reactor (LWR) fuel assemblies submersed in borated water and counted in a ring of {sup 3}He gas-filled proportional counters. In this case the prompt component is dominated by {sup 244}Cm spontaneous fission and induced fast neutron fission in for example {sup 238}U while the returning low energy neutrons induce fission mainly in the fissile nuclides such as {sup 239}Pu, {sup 241}Pu and {sup 235}U. One requirement is to calculate the Random Triggered Interrogation Gate Utilization Factor needed to make a priori precision estimates but not available from Monte Carlo simulation code MCNPX.

Croft, Stephen [Los Alamos National Laboratory; Evans, Louise G [Los Alamos National Laboratory; Schear, Melissa A [Los Alamos National Laboratory; Tobin, Stephen J [Los Alamos National Laboratory

2010-11-18T23:59:59.000Z

428

A Vervaat-like path transformation for the reflected Brownian bridge  

E-Print Network [OSTI]

A Vervaat-like path transformation for the reflected Brownian bridge conditioned on its local time for the reflected Brownian bridge conditioned on its local time at 0: up to random shifts, this process equals the two processes constructed from a Brownian bridge and a Brownian excursion by adding a drift

Chassaing, Philippe - Institut de Mathématiques �lie Cartan, Université Henri Poincaré

429

Seismic reflection imaging of the Mount Rose fault zone, Reno, Nevada  

E-Print Network [OSTI]

Seismic reflection imaging of the Mount Rose fault zone, Reno, Nevada Project Award Number: # G09AP expressed or implied, of the U.S. Government. #12;2 Abstract Five new high-resolution seismic reflection00071 Submission date: November 30, 2010 CGISS Technical Report 10-01 Lee M. Liberty Center

Barrash, Warren

430

Measurement of reflective liquid crystal displays S. T. Tang and H. S. Kwoka)  

E-Print Network [OSTI]

and reflective LCDs. © 2002 American Institute of Physics. DOI: 10.1063/1.1473698 I. INTRODUCTION Reflective to obvious visual defects and coloration. For the case of LCoS microdisplays, the need for accu- rate cell for transmissive cells.6­13 These methods require the incident light to pass through the test cell

431

Solar Reflectance Index (SRI) Calculation Worksheet SRI-WS Computer Generated Form  

E-Print Network [OSTI]

Zone: Building Type: Residential Nonresidential Project Name: Project Address: Roofing Products (Cool Roof) Roofing products with high solar reflectance and thermal emittance are referred to as "Cool Roof required to provide air conditioning. The benefit of a high reflectance surface is obvious: while dark

432

A near-infrared reflectance sensor for soil surface moisture measurement  

Science Journals Connector (OSTI)

Soil moisture is an important soil property that has important functions in various studies and applications, such as agricultural practices, hydrological processes and ecological issues. A near-infrared (NIR) reflectance sensor designed for moisture ... Keywords: Light-emitting diode, Near-infrared reflectance, Relative absorption depth, Soil moisture

Zhe Yin; Tingwu Lei; Qinghong Yan; Zhanpeng Chen; Yuequn Dong

2013-11-01T23:59:59.000Z

433

Modeling the diffuse reflectance due to a narrow beam incident on a turbid medium  

E-Print Network [OSTI]

of an asymptotic analysis of the radiative transport equation for strong scattering, weak absorption, and a narrow of the radiative transport equation, we show that this diffuse reflectance model gives results that are accurate for the diffuse reflectance from the solution of the radiative transport equation. However, using the solution

Kim, Arnold D.

434

Transparent Cockpit: Visual Assistance System for Vehicle Using Retro-reflective Projection Technology  

E-Print Network [OSTI]

Transparent Cockpit: Visual Assistance System for Vehicle Using Retro-reflective Projection is displayed on the inner wall of the vehicle using a retro-reflective projection technology. In this system, such as the traffic sign detection system[l, 2], blind spot monitor[5, 11], night view system[13], and using a retro

Tachi, Susumu

435

On the design of the ECMAScript Reflection API TOM VAN CUTSEM, Vrije Universiteit Brussel  

E-Print Network [OSTI]

A On the design of the ECMAScript Reflection API TOM VAN CUTSEM, Vrije Universiteit Brussel MARK S. MILLER, Google Research We describe in detail the new reflection API of the upcoming Javascript standard. The most prominent feature of this new API is its support for creating proxies: virtual objects that behave

Steels, Luc

436

Reflections in computer modeling of rooms: Current approaches and possible extensions  

Science Journals Connector (OSTI)

Computer modeling of rooms is most commonly done by some calculation technique that is based on decomposing the sound field into separate reflection components. In a first step a list of possible reflection paths is found and in a second step an impulse response is constructed from the list of reflections. Alternatively the list of reflections is used for generating a simpler echogram the energy decay as function of time. A number of geometrical acoustics?based methods can handle specular reflections diffuse reflections edge diffraction curved surfaces and locally/non?locally reacting surfaces to various degrees. This presentation gives an overview of how reflections are handled in the image source method and variants of the ray?tracing methods which are dominating today in commercial software as well as in the radiosity method and edge diffraction methods. The use of the recently standardized scattering and diffusion coefficients of surfaces is discussed. Possibilities for combining edge diffraction surface scattering and impedance boundaries are demonstrated for an example surface. Finally the number of reflection paths becomes prohibitively high when all such combinations are included as demonstrated for a simple concert hall model. [Work supported by the Acoustic Research Centre through NFR Norway.

2005-01-01T23:59:59.000Z

437

Autonomous buoy for seismic reflection data acquisition in the inaccessible parts of the Arctic Ocean  

E-Print Network [OSTI]

Autonomous buoy for seismic reflection data acquisition in the inaccessible parts of the Arctic Instrumentation, Bergen, Norway An autonomous buoy which collects seismic reflection data and transmits to shore of the seismic buoy (thick red, green and black lines). - we have successfully developed an autonomous buoy

Kristoffersen, Yngve

438

Uranium Oxide as a Highly Reflective Coating from 150-350 eV  

E-Print Network [OSTI]

of depleted uranium metal (less than 0.2% U-235). After sputtering, the uranium was allowed to oxidize1 Uranium Oxide as a Highly Reflective Coating from 150-350 eV Richard L. Sandberg, David D. Allred.byu.edu ABSTRACT We present the measured reflectances (beamline 6.3.2, ALS at LBNL) of naturally oxidized uranium

Hart, Gus

439

Improved spatial resolution for reflection mode infrared microscopy Hans A. Bechtel,1  

E-Print Network [OSTI]

illumination of the secondary mirror, as is the case with transmission mode. The PSF of a Schwarzschild December 2009 Standard commercial infrared microscopes operating in reflection mode use a mirror to direct the reflected light from the sample to the detector. This mirror blocks about half of the incident light

Martin, Michael C.

440

Doppler Effect Associated with the Reflection of Light on a Moving Mirror  

E-Print Network [OSTI]

The Doppler Effect associated with the reflection on a moving mirror is reduced to two Doppler Effect experiments involving the incoming incident ray and the outgoing reflected ray or vice-versa. The dependence of the corresponding Doppler factors on the incidence angle on the stationary mirror.

Bernhard Rothenstein; Ioan Damian

2005-08-18T23:59:59.000Z

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

Near-Infrared Reflectance Spectroscopy is a Rapid, Cost-Effective Predictor  

E-Print Network [OSTI]

Near-Infrared Reflectance Spectroscopy is a Rapid, Cost-Effective Predictor of Seagrass Nutrients + Business Media, Inc. 2006 Abstract Near-infrared reflectance spectroscopy was used to analyze nutrient com to the laboratory, and separated into leaf and root/rhizome fractions. They were dried, ground, and near-infrared

Marsh, Helene

442

V-142: Oracle Java Reflection API Flaw Lets Remote Users Execute Arbitrary  

Broader source: Energy.gov (indexed) [DOE]

2: Oracle Java Reflection API Flaw Lets Remote Users Execute 2: Oracle Java Reflection API Flaw Lets Remote Users Execute Arbitrary Code V-142: Oracle Java Reflection API Flaw Lets Remote Users Execute Arbitrary Code April 25, 2013 - 12:14am Addthis PROBLEM: Oracle Java Reflection API Flaw Lets Remote Users Execute Arbitrary Code PLATFORM: Version(s): 7 Update 21; possibly other versions (1.7.0_21-b11) Java Server JRE is also affected. ABSTRACT: A vulnerability was reported in Oracle Java. REFERENCE LINKS: SecurityTracker Alert ID: 1028466 Oracle IMPACT ASSESSMENT: Medium DISCUSSION: A remote user can create a specially crafted Java application that, when loaded and approved by the target user, will trigger a flaw in the Reflection API to bypass the security sandbox. IMPACT: A remote user can create a Java file that, when loaded by the target user,

443

Influence of ionization on reflection of solitary waves in a magnetized plasma  

SciTech Connect (OSTI)

The reflection of nonlinear solitary waves is studied in a nonuniform, magnetized plasma diffusing from an ionization source along the magnetic field lines. Contribution of the ionization term is included in the continuity equation. The behavior of solitary waves is governed by modified form of Korteweg–de Vries equation (called mKdV equation). In order to investigate the reflection of solitary waves, the mKdV equations for the right and left going waves are derived, and solved by finding new transformations coupled at the point of reflection, for obtaining the expression of reflection coefficient. Contrary to the case of usual inhomogeneous plasma, the present analysis shows that a combination of usual sech{sup 2} structure and tanh structure (called the tail of soliton) arises due to the influence of ionization term. Interestingly, this tailing structure disappears after the reflection of the soliton and hence, the soliton is downshifted prominently.

Jyoti,; Malik, Hitendra K. [Plasma Waves and Particle Acceleration Laboratory, Department of Physics, Indian Institute of Technology Delhi, New Delhi 110 016 (India)] [Plasma Waves and Particle Acceleration Laboratory, Department of Physics, Indian Institute of Technology Delhi, New Delhi 110 016 (India); Kumar, Ravinder [Department of Physics, Janta Vedic College Baraut, Uttar Pradesh 265 001 (India)] [Department of Physics, Janta Vedic College Baraut, Uttar Pradesh 265 001 (India); Dahiya, Raj P. [Centre for Energy Studies, Indian Institute of Technology Delhi, New Delhi 110 016 (India)] [Centre for Energy Studies, Indian Institute of Technology Delhi, New Delhi 110 016 (India)

2013-09-15T23:59:59.000Z

444

X-ray reflection in accreting stellar-mass black hole systems  

E-Print Network [OSTI]

The X-ray spectra of accreting stellar-mass black hole systems exhibit spectral features due to reflection, especially broad iron K alpha emission lines. We investigate the reflection by the accretion disc that can be expected in the high/soft state of such a system. First, we perform a self-consistent calculation of the reflection that results from illumination of a hot, inner portion of the disc with its atmosphere in hydrostatic equilibrium. Then we present reflection spectra for a range of illumination strengths and disc temperatures under the assumption of a constant-density atmosphere. Reflection by a hot accretion disc differs in important ways from that of a much cooler disc, such as that expected in an active galactic nucleus.

R. R. Ross; A. C. Fabian

2007-09-03T23:59:59.000Z

445

Polyethylene-reflected plutonium metal sphere : subcritical neutron and gamma measurements.  

SciTech Connect (OSTI)

Numerous benchmark measurements have been performed to enable developers of neutron transport models and codes to evaluate the accuracy of their calculations. In particular, for criticality safety applications, the International Criticality Safety Benchmark Experiment Program (ICSBEP) annually publishes a handbook of critical and subcritical benchmarks. Relatively fewer benchmark measurements have been performed to validate photon transport models and codes, and unlike the ICSBEP, there is no program dedicated to the evaluation and publication of photon benchmarks. Even fewer coupled neutron-photon benchmarks have been performed. This report documents a coupled neutron-photon benchmark for plutonium metal reflected by polyethylene. A 4.5-kg sphere of ?-phase, weapons-grade plutonium metal was measured in six reflected configurations: (1) Bare; (2) Reflected by 0.5 inch of high density polyethylene (HDPE); (3) Reflected by 1.0 inch of HDPE; (4) Reflected by 1.5 inches of HDPE; (5) Reflected by 3.0 inches of HDPE; and (6) Reflected by 6.0 inches of HDPE. Neutron and photon emissions from the plutonium sphere were measured using three instruments: (1) A gross neutron counter; (2) A neutron multiplicity counter; and (3) A high-resolution gamma spectrometer. This report documents the experimental conditions and results in detail sufficient to permit developers of radiation transport models and codes to construct models of the experiments and to compare their calculations to the measurements. All of the data acquired during this series of experiments are available upon request.

Mattingly, John K.

2009-11-01T23:59:59.000Z

446

Durable silver mirror with ultra-violet thru far infra-red reflection  

DOE Patents [OSTI]

A durable highly reflective silver mirror characterized by high reflectance in a broad spectral range of about 300 nm in the UV to the far infrared (.about.10000 nm), as well as exceptional environmental durability. A high absorptivity metal underlayer is used which prevents the formation of a galvanic cell with a silver layer while increasing the reflectance of the silver layer. Environmentally durable overcoat layers are provided to enhance mechanical and chemical durability and protect the silver layer from corrosion and tarnishing, for use in a wide variety of surroundings or climates, including harsh or extreme environments.

Wolfe, Jesse D. (Discovery Bay, CA)

2010-11-23T23:59:59.000Z

447

Advances in Measuring Solar Reflectance-or, Why That Roof isn't as Cool  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Advances in Measuring Solar Reflectance-or, Why That Roof isn't as Cool Advances in Measuring Solar Reflectance-or, Why That Roof isn't as Cool as You Thought it Was Speaker(s): Ronnen Levinson Date: June 30, 2009 - 12:00pm Location: LBNL Bldg. 66 Auditorium Solar reflectance is often used to estimate the solar heat gain and rate the "coolness" of roofs and pavements. A solar reflectance property measured by two popular ASTM standard test methods (E903, C1549) can underestimate the peak solar heat gain of a spectrally selective "cool colored" surface by nearly 100 W m-2 because it assumes that sunlight contains an unrealistically high fraction of near-infrared (invisible) energy. Its use in building energy simulations can overestimate cool-roof annual energy savings by more than 20%. I define a new and simple solar

448

Coincident P and Sh reflections from basement rocks at Coso geothermal  

Open Energy Info (EERE)

Coincident P and Sh reflections from basement rocks at Coso geothermal Coincident P and Sh reflections from basement rocks at Coso geothermal field Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: Coincident P and Sh reflections from basement rocks at Coso geothermal field Details Activities (2) Areas (1) Regions (0) Abstract: In mid-1989 the authors designed and collected four seismic reflection/refraction profiles that addressed the crustal structure of the Coso geothermal field. The two main east-west and north-south profiles crossed at the southeasternmost base of Sugar Loaf Mountain. Both in-line and cross-line Vibroseis and explosion data were recorded on each of these approximately 12-mi lines. This was accomplished with the simultaneous operation of two 1024-channel sign bit recording systems while four

449

Reflection Survey At Lightning Dock Area (Cunniff & Bowers, 2005) | Open  

Open Energy Info (EERE)

Reflection Survey At Lightning Dock Area (Cunniff & Reflection Survey At Lightning Dock Area (Cunniff & Bowers, 2005) Exploration Activity Details Location Lightning Dock Area Exploration Technique Reflection Survey Activity Date Usefulness useful DOE-funding Unknown Notes After reviewing bids from six firms, LDG contracted with Bird Geophysical Services ("Bird") to conduct a test to determine if relatively small, spring-assisted, drop weights could be used to successfully acquire deep reflections. This test showed that the contractor could produce usable data to depths of more than 1,500 ms two-way travel time. (For a given velocity model, this two-way travel time is equivalent to several kilometers of depth penetration.) Subsequently, LDG used Bird's services to acquire new traverses totaling about 27.6 km (17.2 mi.) along roads leading through the

450

Reflection Survey At Dixie Valley Geothermal Field Area (Blackwell, Et Al.,  

Open Energy Info (EERE)

9) 9) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Reflection Survey Activity Date Usefulness could be useful with more improvements DOE-funding Unknown Notes "The seismic reflection profiles of the range front structures are difficult to interpret because of he steep dips and 3-d fault zone geometry, in the-classical paper by Okaya and Thompson (1985) the range-bounding fault is not imaged as they proposed. The reflection seismic studies are the most useful of the geophysical techniques also the most expensive. The reflection data are two-dimensional making structural interpretation complicated for the three-dimensional geometry of the basin so that the other structural studied have been critical in correctly interpreting the seismic profiles. There are many

451

Reflection Survey At Hot Sulphur Springs Area (Laney, 2005) | Open Energy  

Open Energy Info (EERE)

Reflection Survey At Hot Sulphur Springs Area (Laney, 2005) Reflection Survey At Hot Sulphur Springs Area (Laney, 2005) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Reflection Survey At Hot Sulphur Springs Area (Laney, 2005) Exploration Activity Details Location Hot Sulphur Springs Area Exploration Technique Reflection Survey Activity Date Usefulness useful DOE-funding Unknown Notes Seismic Imaging, Majer, Gritto and Daley. The project objective includes the development and application of active seismic methods for improved understanding of the subsurface structure, faults, fractures lithology, and fluid paths in geothermal reservoirs. While the objective of the work previous to FY2003 was concerned with the detection and location of faults and fractures based on an existing 3-D seismic data set collected at the

452

Reflecting the Revised PM 2.5 National Ambient Air Quality Standard in NEPA Evaluations  

Broader source: Energy.gov [DOE]

This letter, from the Director of the Environmental Protection Agency's Office of Federal Activities, outlines EPA's position as to how the revised National Air Quality Standard should be reflected in NEPA evaluations of proposed actions.

453

Observed Southern Ocean Cloud Properties and Shortwave Reflection. Part II: Phase Changes and Low Cloud Feedback  

Science Journals Connector (OSTI)

Climate models produce an increase in cloud optical depth in midlatitudes associated with climate warming, but the magnitude of this increase and its impact on reflected solar radiation vary from model to model. Transition from ice to liquid in ...

Daniel T. McCoy; Dennis L. Hartmann; Daniel P. Grosvenor

2014-12-01T23:59:59.000Z

454

Mathematical modelling: a path to political reflection in the mathematics class  

Science Journals Connector (OSTI)

......the models constructed, . political reflection on the results...the teacher opts for this political view in applying modelling...comfort zone', and go into a risk zone, marked by the need to take a political stand, by questioning and......

Otávio Roberto Jacobini; Maria Lúcia L. Wodewotzki

2006-03-01T23:59:59.000Z

455

Neutron Reflection Method for the Fast Estimation of Neutron Removal Cross Section in Hydrogenous Materials  

Science Journals Connector (OSTI)

Neutron reflection method was used for the fast estimation of the neutron removal cross section in hydrogenous materials of ... to hydrogenous materials with a low concentration of neutron absorbing elements.

L. Desdin; C. Ceballos

2000-03-01T23:59:59.000Z

456

Simulation Studies of Hydrogen Ion reflection from Tungsten for the Surface Production of Negative Hydrogen Ions  

SciTech Connect (OSTI)

The production efficiency of negative ions at tungsten surface by particle reflection has been investigated. Angular distributions and energy spectra of reflected hydrogen ions from tungsten surface are calculated with a Monte Carlo simulation code ACAT. The results obtained with ACAT have indicated that angular distributions of reflected hydrogen ions show narrow distributions for low-energy incidence such as 50 eV, and energy spectra of reflected ions show sharp peaks around 90% of incident energy. These narrow angular distributions and sharp peaks are favorable for the efficient extraction of negative ions from an ion source equipped with tungsten surface as negative ionization converter. The retained hydrogen atoms in tungsten lead to the reduction in extraction efficiency due to boarded angular distributions.

Kenmotsu, Takahiro; Wada, Motoi [Doshisha University, Kyotanabe, Kyoto 610-0394 (Japan)

2011-09-26T23:59:59.000Z

457

Technique for measuring the reflectance of irregular, submillimeter-sized samples  

Science Journals Connector (OSTI)

Details are given of a technique for measuring the reflectance at near-normal incidence of small, irregular, submillimeter-sized samples from the far IR (40 cm?1) to the...

Homes, Christopher C; Reedyk, M; Cradles, D A; Timusk, T

1993-01-01T23:59:59.000Z

458

Impacts of a recurrent resuspension event and variable phytoplankton community composition on remote sensing reflectance  

E-Print Network [OSTI]

Impacts of a recurrent resuspension event and variable phytoplankton community composition resuspension event and variable phytoplankton community composition on remote sensing reflectance, J. Geophys shoreline erosion, and high river runoff. These forces lead to significant resuspension of particles, which

459

Pearls of Wisdom : technology for intentional reflection and learning in constructionist cooperatives  

E-Print Network [OSTI]

At the core of the constructionist learning paradigm is the idea that people learn through design experiences. However, in most settings, learners rarely revisit their work to reflect on design and learning processes. The ...

Chapman, Robbin Nicole, 1958-

2006-01-01T23:59:59.000Z

460

Simple radiative transfer model for relationships between canopy biomass and reflectance  

Science Journals Connector (OSTI)

A modified Kubelka-Munk model has been utilized to derive useful equations for the analysis of apparent canopy reflectance. Based on the solution to the model simple working equations...

Park, J K; Deering, D W

1982-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

Ultra-Shallow Imaging Using 2D & 3D Seismic Reflection Methods  

E-Print Network [OSTI]

Dome in Brazoria County, Texas, in late 1926 (Weatherby, 1948). A successful discovery well that was drilled based on this information helped the reflection seismograph to gain acceptance. At the time, recording trucks had only one channel...

Sloan, Steven D.

2008-01-01T23:59:59.000Z

462

Increasing Reflection Coherency Through Improved Statics Corrections: An Iterative Tomographic Approach  

E-Print Network [OSTI]

Computation and application of statics corrections have always been problematic on CMP reflection data, especially in highly weathered and structurally altered environments. Tomographic estimation of the velocity field within the weathered layer...

Mayer, Lindsay Michelle

2009-06-09T23:59:59.000Z

463

Multispectral detection of organic residues on poultry processing plant equipment based on hyperspectral reflectance imaging technique  

Science Journals Connector (OSTI)

Diluted organic residues, such as feces, ingesta and other biological substances on poultry processing plant equipment surfaces, not easily discernible by human eye, are potential contamination sources for poultry carcasses. Development of sensitive ... Keywords: Fecal contamination, Hyperspectral, Multispectral, Reflectance image

Byoung-Kwan Cho; Yud-Ren Chen; Moon S. Kim

2007-07-01T23:59:59.000Z

464

The Impact of a Metacognitive Reflection Component in a Problem-Based Learning Unit  

E-Print Network [OSTI]

This mixed methods dissertation explores the impact of metacognitive support (reflective journal entries and a think-aloud exercise) in a PBL (problem-based learning) unit. While students are developing a solution for a PBL unit they may become...

Seifert, Kathryn A.

2010-01-16T23:59:59.000Z

465

Surface Studies by Low-Energy Electron Diffraction and Reflection High-Energy-Electron Diffraction  

Science Journals Connector (OSTI)

In this chapter, we present the basic concepts of the low-energy electron diffraction (LEED) and reflection high-energy electron diffraction (RHEED) experiments. The main goal is to provide an overview of the ...

P. Laukkanen; J. Sadowski; M. Guina

2012-01-01T23:59:59.000Z

466

A 3D-3C Reflection Seismic Survey and Data Integration to Identify...  

Office of Environmental Management (EM)

to Identify the Seismic Response of Fractures and Permeable Zones Over a Known Geothermal Resource at Soda Lake, Churchhill Co., NV A 3D-3C Reflection Seismic Survey and Data...

467

The parametric Doppler effect upon reflection of light from a moving smooth inhomogeneity of a medium  

Science Journals Connector (OSTI)

The reflection of probe radiation from a smooth inhomogeneity of characteristics of a medium that propagates with a relativistic velocity is analyzed. Equations that describe the propagation of forward and bac...

N. N. Rosanov

2012-11-01T23:59:59.000Z

468

Using Visible and Near Infrared Diffuse Reflectance Spectroscopy to Characterize and Classify Soil Profiles  

E-Print Network [OSTI]

solum thicknesses, along with many associated soil properties, an ECa map can be used to employ stratified random sampling to select soil or crop sampling locations (Corwin and Lesch 2005; Johnson et al., 2005). VisNIR Diffuse Reflectance Spectroscopy...

Wilke, Katrina Margarette

2011-10-21T23:59:59.000Z

469

Neutron Diffraction Performance Based on Multiple Reflection Monochromator for High-Resolution Neutron Radiography  

Science Journals Connector (OSTI)

The effects of multiple Bragg reflections in single crystal can be observed when more than one set of planes are simultaneously operative for a given wavelength i.e. when more than two reciprocal lattice point...

Pavel Mikula; Miroslav Vrana

2007-01-01T23:59:59.000Z

470

Super-Resolution ROM Disc Using GeAl Reflective Absorption Layer  

Science Journals Connector (OSTI)

We have developed a super-resolution ROM disc using a newly designed GeAl reflective absorption layer. The optical resolution limit in high readout power expanded more than 1.5 times...

Aoki, Kazuhiko; Tanabe, Hideki; Ohkubo, Shuichi; Kariyada, Eiji; Katayama, Ryuichi; Yamanaka, Yutaka

471

X-ray multilayer characterization using reflectivity beamline at Indus-1  

SciTech Connect (OSTI)

Poor knowledge of optical constants of various materials in the soft x-ray region requires to test the soft x-ray optical devices at actual wavelengths. For such purposes a soft x-ray/vacuum ultraviolet reflectivity beamline has been setup on Indus-1 synchrotron.X-ray multilayer structures are also being developed at RRCAT. Silicon based different multilayer optics fabricated in house for 100-200A ring wavelength region show a very high reflectivity performance. A new multilayer combination comprised of NbC/Si is proposed for achieving good thermal stability high reflectivity in the Si L-edge region. A high reflectivity of 63% in near normal incidence region is obtained with a sputter deposited Mo/Si combination. Results prospects of growing NbC/Si multilayer are presented.

Modi, Mohammed H.; Prasad, T. T.; Nayak, M.; Pothana, N.; Jaiswal, A.; Rai, S. K.; Lodha, G. S. [X-ray Optics Section Raja Ramanna Centre for Advanced Technology (RRCAT) Indore 452013 (India)

2010-06-23T23:59:59.000Z

472

From the Netherlands to PPPL: Student reflects on his study of...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

From the Netherlands to PPPL: Student reflects on his study of light August 12, 2013 Tweet Widget Google Plus One Share on Facebook Jasper van Rens (Photo by Elle Starkman PPPL...

473

Design consistency and driver error as reflected by driver workload and accident rates  

E-Print Network [OSTI]

DESIGN CONSISTENCY AND DRIVER ERROR AS REFLECTED BY DRIVER WORKLOAD AND ACCIDENT RATES A Thesis by MARK DOUGLAS WOOLDRIDGE Approved as to style and content by: Daniel B. Fambro (Chair of Committee) Raymond A. Krammes (Member) Olga J.... Pendleton (Member) James T. P. Yao (Head of Department) May 1992 ABSTRACT Design Consistency and Driver Error as Reflected by Driver Workload and Accident Rates (May 1992) Mark Douglas Wooldridge, B. S. , Texas A&M University Chair of Advisory...

Wooldridge, Mark Douglas

2012-06-07T23:59:59.000Z

474

Measurement of multilayer mirror reflectivity and stimulated emission in the XUV spectral region  

SciTech Connect (OSTI)

We present measurements of multilayer mirror reflectivity and stimulated emission in the XUV spectral region. A molybdenum-silicon multilayer mirror with 12% measured reflectivity at 182 A was found to produce a 120% enhancement of the C VI 182 A line (3 ..-->.. 2 transition) in a strongly recombining plasma. No such enhancement of the CV 186.7 A line was seen, demonstrating amplification of stimulated emission at 182 A.

Keane, C.; Nam, C.H.; Meixler, L.; Milchberg, H.; Skinner, C.H.; Suckewer, S.; Voorhees, D.; Barbee, T.

1986-03-01T23:59:59.000Z

475

The estimation of geotechnical properties of marine sediments from their acoustic reflectivity  

E-Print Network [OSTI]

THE ESTIMATION OF GEOTECHNICAL PROPERTIES OF MARINE SEDIMENTS FROM THEIR ACOUSTIC REFLECTIVITY A Thesis by MARTIN EBEL Submitted to the Office of Graduate Studies of Texas AkM University in partial fulfillment of the requirements... for the degree of MASTER OF SCIENCE December 1993 Major Subject: Oceanography THE ESTIMATION OF GEOTECHNICAL PROPERTIES OF MARINE SEDIMENTS FROM THEIR ACOUSTIC REFLECTIVITY A thesis by MARTIN EBEL Submitted to Texas ARM University in partial...

Ebel, Martin

2012-06-07T23:59:59.000Z

476

Comparison between arc drops in ignited thermionic converters with and without ion reflections at the emitter  

SciTech Connect (OSTI)

The output performance of two thermionic energy converters is compared. One converter has a normal emitter, working with zero field at the emitter which is close to the optimum working point, and the other has a low work function emitter and ion reflection at the emitter. A simple model of the plasma and the sheaths shows that a converter working with a low work function emitter and ion reflections gives a worse performance than a similar converter with a normal emitter.

Lundgren, L.

1985-07-01T23:59:59.000Z

477

The effects of experiential learning with an emphasis on reflective writing on deep-level processing of agricultural leadership students  

E-Print Network [OSTI]

are instrumental in the development of students. Experiential learning, and, more importantly, reflective writing are important components of college instructors? repertoires. Learning is not complete without proper reflection. The purpose of this study...

Moore, Copie D.

2010-01-16T23:59:59.000Z

478

Characterization and origins of high-amplitude reflection packets, HARPs, along the Gulf of Mexico depositional profile  

E-Print Network [OSTI]

High amplitude reflection packets (HARPs) refer to sheet-like sand deposits, showing high-amplitude seismic-reflection character, which are thought to be associated with constructional channel systems. Based on observations of Quaternary deposits...

Rains, David Brian

2012-06-07T23:59:59.000Z

479

Accounting for Remaining Injected Fracturing Fluid  

E-Print Network [OSTI]

The technology of multi-stage fracturing of horizontal wells made the development of shale gas reservoirs become greatly successful during the past decades. A large amount of fracturing fluid, usually from 53,000 bbls to 81,400 bbls, is injected...

Zhang, Yannan

2013-12-06T23:59:59.000Z

480

Recent Moa Remains in New Zealand  

Science Journals Connector (OSTI)

... and to form deep tranverse folds, especially towards the upper part. The surface is roughened by elevated conical papillae, from the apex of some of which springs a slender ...

JAMES HECTOR

1871-07-20T23:59:59.000Z

Note: This page contains sample records for the topic "remain tight reflecting" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

Geothermal developers remain optimistic | Department of Energy  

Office of Environmental Management (EM)

"As it takes relatively longer to develop geothermal power capacity compared to wind or solar installations, many projects in development today won't generate electricity until...

482

INTRODUCTION CARDIOVASCULAR DISEASE remains the leading cause  

E-Print Network [OSTI]

materials such as Dacron (polyethylene terephthalate) and expanded poly- tetrafluorotethylene (e(diol citrate), a novel class of biodegradable polyester elastomer. Scaffolds were characterized for tensile

Yang, Jian

483

Understanding Apomixis: Recent Advances and Remaining Conundrums  

Science Journals Connector (OSTI)

...Commonwealth Scientific and Industrial Research Organization, Plant...each progeny plant and an assessment of ploidy in all individuals...Maize and Wheat Improvement Center, Institut de Recherche pour...sexual crops: A critical assessment of the apomixis technology...

Ross A. Bicknell; Anna M. Koltunow

2004-05-06T23:59:59.000Z

484

Understanding Apomixis: Recent Advances and Remaining Conundrums  

Science Journals Connector (OSTI)

...how this occurs and its impact on seed quality is particularly relevant for the installation...might have on seed yield, viability, and quality for a given plant. EXPERIMENTAL APPROACHES...fronts before we can hope to successfully engineer a controlled, commercially viable form...

Ross A. Bicknell; Anna M. Koltunow

2004-05-06T23:59:59.000Z

485

Understanding Apomixis: Recent Advances and Remaining Conundrums  

Science Journals Connector (OSTI)

...the inherited genetic load. Similarly, we recently...increases its genetic load and limits the viability...to the role of genetic load, this effect can be expected...it markedly reduces the power of the approach. Fine...refine the basic mapping data. It also should be remembered...

Ross A. Bicknell; Anna M. Koltunow

2004-05-06T23:59:59.000Z

486

Fish Oil Supplement Research Remains Murky  

Science Journals Connector (OSTI)

... If you've been following the media trail on fish oil lately, you've probably been tempted to forgo the smelly capsules. A systematic ... , The Journal of the American Medical Association, reported that neither eating extra helpings of fish nor taking ...

Melinda Wenner Moyer

2012-09-25T23:59:59.000Z

487

Room acoustic prediction based on a unified treatment of diffuse and specular reflection  

Science Journals Connector (OSTI)

A new general algorithm for room acoustic prediction is presented. The algorithm based on approximate cone tracing handles diffuse reflection by a splitup of cones incident on diffusing surfaces. The splitup of cones treats the interaction between specular and diffuse reflection in a physically sensible manner. A ‘‘brute?force’’ implementation of such an algorithm inevitably creates an exponential dependence of the calculation time on the number of reflection combinations between diffusely reflecting surfaces and therefore results in extremely long processing times. By exploiting the properties of diffuse reflection the described algorithm displays an essentially linear dependence resulting in processing times short enough also for personal computers. The algorithm adapts its behavior to the properties of each specific environment relies on very few nonverifiable assumptions and is designed to meet the specific requirements of auralization. The splitup of cones creates a myriad of weak diffuse reflections resulting in a very smooth late decay. The algorithm is described in detail and sample predictions are shown.

Bengt?Inge L. Dalenbäck

1996-01-01T23:59:59.000Z

488

Optical Reflection Spectroscopy of Thick Corrosion Layers on 304 Stainless Steel  

SciTech Connect (OSTI)

Corrosion resistant structural materials of both iron and nickel based alloys are used in the electric power industry for the construction of the coolant loops of both conventional and nuclear power generating stations. These materials, in the presence of high temperature (e.g. 287 C), high pH (e.g. 10.0 {at} 20 C) water with dissolved hydrogen will oxidize and form corrosion films that are double metal oxides (or spinels) of the form AB{sub 2}O{sub 4}. This work describes optical reflectivity techniques that have been developed to study the growth of these films in situ. The optical technique uses a dual-beam specular reflection spectrometer to measure the spectrum of reflected light in small angle (i.e. < 15{sup o}) scatter. The reflection spectra are then calibrated using a set of corrosion coupons with corrosion films that are well known. Results are compared with models based on multilayer reflection and Mie scattering from a particle size distribution. Surface roughness is found to be the dominant cause of reduced reflection as the films grow.

R Castelli; P Persans; W Strohmayer; V Parkinson

2006-03-23T23:59:59.000Z

489

Study of Reflected Shock Wave Perturbations at the Central Axis of Dense Plasma Column in a Plasma Focus  

Science Journals Connector (OSTI)

When the shock front (SF) hits the central axis of plasma focus device, a reflected shock moves radially outwards...

Morteza Habibi

2011-12-01T23:59:59.000Z

490

Red grouper is an economically important species of the southeast United States and in particular the Gulf of Mexico. Red grouper are highly territorial and often remain at the same site for long periods of  

E-Print Network [OSTI]

Red grouper is an economically important species of the southeast United States and in particular the Gulf of Mexico. Red grouper are highly territorial and often remain at the same site for long periods of time. We now know Red grouper are also engineering marvels for their ability to modify habitat through

Watson, Craig A.

491

For French public opinion and government, in the early 1920s, Palestine remains "the most French land of the Orient", at a time when the loss of the Catholic French protectorate in the Holy  

E-Print Network [OSTI]

of Catholics. During this period, a broad appeal is made to French as an instrument of cultureFor French public opinion and government, in the early 1920s, Palestine remains "the most French land of the Orient", at a time when the loss of the Catholic French protectorate in the Holy Land

van den Brink, Jeroen

492

This vacancy will remain posted at Human Resources and will be listed on our web site until notification is received from the President's Office that the position has been filled or written notice is received that  

E-Print Network [OSTI]

NOTICE This vacancy will remain posted at Human Resources and will be listed on our web site until Positions When a vacancy occurs: Please send a copy of the letter of resignation (for a contract employee employee) to the President's Office as soon as a resignation is known. Filling a vacancy: 1. Complete

Gering, Jon C.

493

Heavy-ion fusion cross sections of weakly bound $^{9}$Be on $^{27}$Al, $^{64}$Zn and tightly bound $^{16}$O on $^{64}$Zn target using Coulomb and proximity potential  

E-Print Network [OSTI]

The total fusion cross sections for the fusion of weakly bound $^{9}$Be on $^{27}$Al and $^{64}$Zn targets at near and above the barrier have been calculated using one dimensional barrier penetration model, taking scattering potential as the sum of Coulomb and proximity potential and the calculated values are compared with experimental data. For the purpose of comparison of the fusion of weakly bound projectiles and strongly bound projectiles, the total fusion cross sections for the reaction of tightly bound nucleus $^{16}$O on $^{64}$Zn have also been computed using a similar procedure. The calculated values of total fusion cross sections in all cases are compared with coupled channel calculations using the code CCFULL. The computed cross sections using Coulomb and proximity potential explain the fusion reactions well in both cases of weakly bound and strongly bound projectiles. Reduced reaction cross sections for the systems $^{9}$Be + $^{27}$Al, $^{9}$Be+ $^{64}$Zn and $^{16}$O + $^{64}$Zn have also been described.

K. P. Santhosh; V. Bobby Jose

2013-12-19T23:59:59.000Z

494

Measuring solar reflectance-Part I: Defining a metric that accurately  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

solar reflectance-Part I: Defining a metric that accurately solar reflectance-Part I: Defining a metric that accurately predicts solar heat gain Title Measuring solar reflectance-Part I: Defining a metric that accurately predicts solar heat gain Publication Type Journal Article Year of Publication 2010 Authors Levinson, Ronnen M., Hashem Akbari, and Paul Berdahl Journal Solar Energy Volume 84 Pagination 1717-1744 Keywords Heat Island, Methods & Protocols Abstract Solar reflectance can vary with the spectral and angular distributions of incident sunlight, which in turn depend on surface orientation, solar position and atmospheric conditions. A widely used solar reflectance metric based on the ASTM Standard E891 beam-normal solar spectral irradiance underestimates the solar heat gain of a spectrally selective "cool colored" surface because this irradiance contains a greater fraction of near-infrared light than typically found in ordinary (unconcentrated) global sunlight. At mainland US latitudes, this metric RE891BN can underestimate the annual peak solar heat gain of a typical roof or pavement (slope 5:12 [23°]) by as much as 89 W m-2, and underestimate its peak surface temperature by up to 5 K. Using RE891BN to characterize roofs in a building energy simulation can exaggerate the economic value N of annual cool roof net energy savings by as much as 23%.

495

Release Path Temperatures of Shock-Compressed Tin from Dynamic Reflectance and Radiance Measurements  

SciTech Connect (OSTI)

Dynamic reflectance and radiance measurements were conducted for tin samples shock compressed to 35 GPa and released to 15 GPa using high explosives. We determined the reflectance of the tin samples glued to lithium fluoride windows using an integrating sphere with an internal xenon flashlamp as an illumination source. The dynamic reflectance (R) was determined at near normal incidence in four spectral bands with coverage in visible and near-infrared spectra. Uncertainties in R/R0 are < 2%, and uncertainties in absolute reflectance are < 5%. In complementary experiments, thermal radiance from the tin/glue/lithium fluoride interface was recorded with similar shock stress and spectral coverage as the reflectance measurements. The two sets of experiments were combined to obtain the temperature history of the tin surface with an uncertainty of < 2%. The stress at the interface was determined from photonic Doppler velocimetry and combined with the temperatures to obtain temperature-stress release paths for tin. We discuss the relationship between the experimental release paths and release isentropes that begin on the principal shock Hugoniot.

La Lone, B. M. [NSTec; Stevens, G. D. [NSTec; Turley, W. D. [NSTec; Holtkamp, D. B. [LANL; Iverson, A. J. [NSTec; Hixson, R. S. [NSTec; Veeser, L. R. [NSTec

2013-08-01T23:59:59.000Z

496

A boundary element solution for a mode conversion study on the edge reflection of Lamb waves  

Science Journals Connector (OSTI)

The boundary element method well known for bulk wave scattering is extended to study the mode conversion phenomena of Lamb waves from a free edge. The elastodynamic interior boundary value problem is formulated as a hybrid boundary integralequation in conjunction with the normal mode expansion technique based on the Lamb wave dispersion equation. The present approach has the potential of easily handling the geometrical complexity of general guided wave scattering with improved computational efficiency due to the advantage of the boundary?type integral method. To check the accuracy of the boundary element program vertical shear wave diffraction due to a circular hole is solved and compared with previous analytical solutions. Edge reflection factors for the multibackscattered modes in a steel plate are satisfied quite well with the principle of energy conservation. In the cases of A0 A1 and S0 incidence the variations of the multireflection factors show similar tendencies to the existing results for glass. It is observed that the reflection of an incident wave becomes close to zero over a certain frequency range seen through energy interaction with other reflected modes and increases again beyond this minimum point due to reverse mode conversion. The reflections of the higher symmetric incident modes S1 and S2 are also investigated. It turns out that S1 mode is an unusual mode which is nearly unaffected by the mode conversion in the Lamb wave edge reflection.

Younho Cho; Joseph L. Rose

1996-01-01T23:59:59.000Z

497

Reflection Survey At Rye Patch Area (Deangelo, Et Al., 1999) | Open Energy  

Open Energy Info (EERE)

Deangelo, Et Al., 1999) Deangelo, Et Al., 1999) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Reflection Survey At Rye Patch Area (Deangelo, Et Al., 1999) Exploration Activity Details Location Rye Patch Area Exploration Technique Reflection Survey Activity Date Usefulness not indicated DOE-funding Unknown Notes A 3-D seismic survey was recorded over Rye Patch geothermal field in northwest Nevada by Subsurface Exploration Company (SECO) of Pasadena, California, in 1998 (Fig. 27). This 3-D seismic data acquisition was done under the auspices of a research effort d References M. DeAngelo, B.A. Hardage, J. L. Simmons Jr. (1999) Development Of Active Seismic Vector-Wavefield Imaging Technology For Geothermal Applications Retrieved from "http://en.openei.org/w/index.php?title=Reflection_Survey_At_Rye_Patch_Area_(Deangelo,_Et_Al.,_1999)&oldid=388047"

498

Working Toward a Tech Sector that Reflects America | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Working Toward a Tech Sector that Reflects America Working Toward a Tech Sector that Reflects America Working Toward a Tech Sector that Reflects America February 1, 2013 - 1:51pm Addthis Tech-ies mingled during a networking session after the White House Tech Inclusion Summit on January 31, 2013. (Photo credit: John Werner) Tech-ies mingled during a networking session after the White House Tech Inclusion Summit on January 31, 2013. (Photo credit: John Werner) Valerie Jarrett Senior Advisor to President Barack Obama Editor's Note: This blog was orginially published on whitehouse.gov Yesterday, I had the pleasure of speaking at the Technology Inclusion Summit, hosted by Chief Technology Officer Todd Park, the Office of Science and Technology Policy, and the Level Playing Field Institute. It was an amazing gathering of private and public partners who are united in their

499

Reflection Survey At Rye Patch Area (Laney, 2005) | Open Energy Information  

Open Energy Info (EERE)

Reflection Survey At Rye Patch Area (Laney, 2005) Reflection Survey At Rye Patch Area (Laney, 2005) Exploration Activity Details Location Rye Patch Area Exploration Technique Reflection Survey Activity Date Usefulness useful DOE-funding Unknown Notes Seismic Imaging, Majer, Gritto and Daley. The project objective includes the development and application of active seismic methods for improved understanding of the subsurface structure, faults, fractures lithology, and fluid paths in geothermal reservoirs. While the objective of the work previous to FY2003 was concerned with the detection and location of faults and fractures based on an existing 3-D seismic data set collected at the Rye Patch geothermal reservoir, the current work was aimed at investigating how the presence of discrete models of fault and fracture zones can be

500

Reflection Survey At Rye Patch Area (Feighner, Et Al., 1999) | Open Energy  

Open Energy Info (EERE)

Feighner, Et Al., 1999) Feighner, Et Al., 1999) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Reflection Survey At Rye Patch Area (Feighner, Et Al., 1999) Exploration Activity Details Location Rye Patch Area Exploration Technique Reflection Survey Activity Date Usefulness not indicated DOE-funding Unknown Notes Because the results of the VSP indicated apparent reflections, TGI proceeded with the collection of 3.0 square miles of 3-D surface seismic data over the Rye Patch reservoir. The data acquisition (which included the use of LBNL's three-component high temperature borehole geophone in well 44-28) was accomplished in August 1998. Initial processed results provided by the subcontractor Subsurface Exploration Co. (SECO) were delivered to TGI in December 1998. After the initial analysis of SECO's results, it was